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The Regina-Nu and Bird Regina-Nu Gambits are played from the White side and the Hekili-Loa Gambit is a reversed form of the gambit from the Black side. After I had discovered the Regina-Nu Gambit I asked my chess student Daniel Oshima to come up with a name for this gambit. He came up with the name Regina-Nu Gambit which means queen that is nude in Latin. This is appropriate because the queenside is denuded of pawns. Hekili Loa in Hawaiian means thunder in the distance. My latest discovery is the Bird Regina-Nu Gambit. After 1.f4 d5 2.c4 I had wondered if a Regina-Nu type of gambit can be played from the Birds Opening (1.f4) Like all gambits the Regina-Nu gambits are played to obtain a development, mobility and a space advantage in the opening. In all three gambits, the side that has gambitted the pawns is two pawns down in the opening and has to play for the win. There is really no turning back because if you fail to develop a decisive attack, you will most likely lose the endgame. A gambit player can usually hold the game to a draw with one pawn down but with two pawns down that would be next to impossible. Over the years I have played some really fascinating games with the Regina-Nu family of gambits. I will not go into a more comprehensive analysis of these gambits because there does not exist too many games of each gambit and also because the theory on all three gambits is still at the developmental stage where not much theory is known about these gambits. This article is basically a survey of the Regina-Nu family of gambits. Regina-Nu Gambit Evilone (1938) – Duckbreath (2371) Internet Chess Club 6/21/98 Game 15min. 1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Nc3 {The question is when does this line become a true gambit. In this very position it is not a gambit yet, since after 4...dxc4 white can still play 5. bxc4.} dxc4 5. e4 {At this very point in the game the opening becomes a gambit. White is willing to give up a pawn for development, control of the center and the attack. The name of this gambit is called the Regina-Nu Gambit. This is Latin for naked queen.} cxb3 6. Bc4 bxa2 7. Rxa2 Bc5 8. O-O O-O 9. d4 Bb4 10. e5 Bxc3 11. exf6 Qxf6 12. Bg5 Qf5 13. Bd3 Qd5 14. Qc2 f5 15. Rd1 (15. Qxc3 {? now White's R drops} Qxa2) 15... Bd7 16. Ra3 Bb4 17. Bc4 Qe4 18. Rad3 {Played to avoid the exchange of Queens which would lead to a lost endgame.} b5 19. Bb3 h6 20. Bc1 Qc6 21. Qe2 {Again a majority of his Queenside pieces are still not developed, and the kingside is only defended by a lone Rook.} 24. Qh5 Bc5 [Diagram]
Evilone (1992) – Blackdragon (2429) Internet Chess Club 7/5/98 Game 15min. 1. Nf3 d5 2. b3 Nf6 3. c4 dxc4 4. Nc3 {the start of the Regina-Nu Gambit} cxb3 5. e4 bxa2 6. Bc4 e6 7. Rxa2 c6 8. O-O Bb4 9. Qe2 O-O 10. e5 Nd5 11. Ne4 b5 12. Bb3 a5 13. d4 h6 14. Bc2 Re8 15. Nfg5 hxg5 16. Nxg5 Nc3 17. Qh5 Qd7 18. Nh7 (18. Nxf7 Qxf7 19. Bg6 Qxg6 20. Qxg6 Rf8 21. Rc2 a4 22. Bg5 Rf7 23. Qh5 Nd5 24. Rd1 Rf5 25. Qe8+ Rf8 26. Qg6 a3 27. Qd3 Rf5 28. Bd2 Bxd2 29. Rcxd2 Nd7 30. Qb3 Bb7 31. Rc1 {-+ 1.38}) 18... Qxd4 19. Be3 Ne2+ 20. Kh1 Qd5 [Diagram]
1. Nf3 c5 2. b3
d5 3. c4 dxc4 4. Nc3 cxb3 5. e4 bxa2 6. Bc4 Nd7 7. O-O Nb6 8. Bxf7+ Kxf7 9.
Ne5+ Ke6 10. d4 cxd4 11. Qg4+ Kxe5 12. Qf5+ ?? {a horrible blunder which
loses} (12. Qf4+ Ke6 13. Qf5+ Kd6 14. Bf4+ (14. Ba3+ Kc6 15. Qb5+ Kc7 16.
Qe5+ Kd7 17. Qb5+ Kc7 {= Black cannot escape perpetual check.}) 14... e5 15.
Qxe5+ Kd7 16. Rfd1 Qe7 17. Qxd4+ Ke8 18. Nb5 Kf7 19. Rxa2 Bg4 20. Nd6+ Kg6
21. Rda1 Nc8 22. e5 Nxd6 23. exd6 Qd7 24. h3 Bf5 25. g4 Be6 {Black is still
okay. He had held the position.}) (12. Qg5+ {I missed this line which should
draw by perpetual check.} Ke6 13. Qf5+ Kd6 14. Ba3+ Kc6 15. Qc5+ Kd7 16.
Qb5+ Kc7 17. Qe5+ Kd7 {= It is perpetual check.}) 12... Bxf5 13. exf5
dxc3 {White resigns} 0-1 Bird Regina-Nu Gambit Bird Regina-Nu Gambit Analysis by Nakamura & Fritz8 4/6/06 1. f4 d5 2. c4
dxc4 3. b3 cxb3 4. Nc3 bxa2 5. Rxa2 Nf6 6. Nf3 Nbd7 (6... Nc6 7. e4 e5
8. fxe5 (8. Bc4 Bc5 9. fxe5 Ng4 10. d4 Bxd4 11. Nxd4 Qxd4 12. Nb5 Qxc4 13.
Nxc7+ Kf8 14. Rd2 Qxe4+ 15. Re2 Qb4+ 16. Bd2 Qd4 17. Nxa8 Ngxe5 18. h3 Qh4+
19. Kf1 Bg4 20. Bb4+ Kg8 21. Rxe5 Nxe5 22. Qd6 Nd7 23. Nc7 h6 24. Be1 Qh5
25. Bf2 Bf5 26. Kg1 Kh7 27. Bxa7 Qg5 28. Bf2 Rd8 29. Qg3 Qxg3 30. Bxg3 Nc5
31. Kh2 Be4 32. Rf1 f5 33. Bf4 Rd7 34. Bg3 Kg6 35. Rf2 Nd3 36. Re2 h5 37. h4
Bd5 38. Nxd5 Rxd5 39. Bc7 {-+ 2.91}) 8... Ng4 9. Bb5 (9. d4 Bb4 10. Qd2 f5
11. exf5 Bxf5 12. h3 Nh6 13. Bb5 Be6 14. Rb2 Qe7 15. Ng5 {=}) 9... Bd7 10.
d4 Bb4 11. Bd2 Bxc3 12. Bxc3 Ncxe5 13. Nxe5 Nxe5 14. Qh5 Ng6 15. O-O O-O 16.
Bd3 c6 17. Ra5 b6 18. Rg5 a5 19. e5 b5 20. Rg3 b4 21. Ba1 a4 22. Be4 Qe7 {-+
1.91}) 7. e4 Nc5 8. Qc2 c6 9. d4 Ne6 10. d5 cxd5 11. Bb5+ Bd7 12. Bxd7+
Nxd7 13. exd5 Nc7 14. O-O a5 15. Be3 b5 16. Rd1 Qc8 17. f5 {=} * Evilone (2013) – Codificao (1927) Playchess.com 4/8/06 Game 5min. 1. f4 d5 2. c4 dxc4 3. b3 {the Bird Regina-Nu Gambit} cxb3 4. Nc3 bxa2 5. Rxa2 {White has sacrificed two pawns for center control and better piece development.} e6 {this is a really passive move, since it blocks in the B at c8} 6. Nf3 Nf6 7. e4 {white lays a claim to a space advantage} Bb4 8. Qa4+ Nc6 9.Ne5 Bxc3 (9... a5 10. Bb5 Bd7 11. Bxc6 bxc6 12. Qc2 O-O 13. d3 Be8 14. Be3 c5 15. O-O {=/+ 0.66}) 10. Nxc6 Bxd2+ [Diagram]
1. f4 d5 2. c4 dxc4 3. b3 {the Bird Regina-Nu Gambit} cxb3 4. Nc3 Nf6 5. e4 Nc6 6. Nf3 Bg4 7. Be2 e6 8. O-O Bc5+ 9. Kh1 O-O 10. e5 Nd5 11. Ne4 Be7 12. d4 Nc3 {?? pure speculation on Blacks part, this drops the N} 13. Nxc3 Bxf3 14. Bxf3 Nxd4 15. Be4 bxa2 16. Rxa2 c6 17. Qh5 g6 18. Qh6 Nf5 19. Bxf5 {eliminating the defender} exf5 20. Rd2 Qa5 21. Rf3 {threatening to play Rh3 which attacks the black K} f6 22. e6 {to prevent black from playing Rf7 to guard the h7 square} Qa1 23. Rd1 {forced since my back rank was weak. Black threatened Qxc1+ which would force checkmate} Rad8 24. Rdf1 Ba3 {this is a little too late, since my attack strikes first} 25. Rh3 Rf7 [Diagram]
1. f4 d5 2. c4 dxc4
{The Bird Regina-Nu Gambit}
3. b3 cxb3 4. Nc3 bxa2
5. Rxa2 Nf6 6. e4 e6 7. Nf3 Bc5 8. d4 Bb6 9. Bc4 O-O 10. O-O
{White now has a development, mobility and a space advantage from the
opening} c5 11.
d5 exd5 12. exd5 Bg4 13. h3 Bxf3 14. Qxf3 Nbd7 15. g4 Ne8 16. Ne4 Bc7 17.
Re2 Nb6 18. Ba2 c4 19. Ng5 Qxd5 20. Qc3
{White cannot exchange Queens because Black would be up by 3 pawns in an
endgame.} Nd6
21. Bb2 f6 22. Ne6 Rf7 23. Bb1 Re8 24. f5 Na4 25. Qc1 Nxb2 26. Qxb2 Bb6+ 27.
Kh2 Rfe7 28. Qc2 Nb5 29. Rd1 Qc5 30. g5 Qc8 31. gxf6 gxf6 32. Qe4 Bc7+ 33.
Kh1 Be5 34. Qg4+ Kh8 35. Qh4 Qc6+ 36. Be4 Qb6 37. Rd5
{White intends to do an exchange sac on the B at e5}
Nd4 38. Rxe5 Rxe6
(38... Nxe2 39. Qxf6+ Kg8 40. Qg5+ Kh8 41. Qf6+ {= White has a draw by
perpetual check with the Q.})
39. fxe6 Rxe6 40.
Qxh7# {time
9.3 sec - 59 sec}
1-0 Hekili-Loa Gambit Duckbreath (2450) – Evilone (1960) Internet Chess Club 1998 Game 15min. 1. d4 b6 2. e4 c5 3. dxc5 Nc6 {The start of the Hekili-Loa Gambit. Black intends to sac the c, b & a pawn for the White d pawn.} 4. cxb6 e5 5. bxa7 Bc5 6. Bd3 Qb6 7. Qf3 {Also possible is 7.Qe2 or 7.Qd2.} Nf6 8. c3 Rxa7 9. Nh3 {A curious move. Fritz8 recommends either 9.Ne2 which prepares White for castling kingside or 9.Nd2.} O-O 10. b3 d5 11. exd5 {This was White's mistake to allow Black to push the pawn to e4 forking both the Q & B. White has not castled yet and faces the danger of having his Queen pinned to the king.} e4 12. Bxe4 Bg4 13. Qg3 Nxe4 14. Qxg4 Nxf2 15. Nxf2 Bxf2+ 16. Kf1 Re7 17. Bd2 {forced because Black threatens mate with Re1 check.} Ne5 18. Qe4 f5 (18... Rfe8 19. g3 Bc5 20. Kg2 Nd7 21. Qg4 Re2+ 22. Kh3 Nf6 23. Qf3 Qb5 24. g4 h5 25. c4 Qd7 26. Kg3 Ne4+ 27. Kh4 Nxd2 28. Nxd2 Bf2+ 29. Kh3 hxg4+ 30. Qxg4 R2e3+ 31. Kg2 Qxg4+ 32. Kf1 Qe2+ 33. Kg2 Be1+ 34. Kg1 Qf2#) 19. Qb4 Qa7 20. Qa3 Qb7 21. Qa4 (21. c4 Bd4 22. Nc3 f4 23. Re1 f3 24. g4 Rc7 25. Nb5 Bc5 26. Qa5 Re7 27. Rxe5 Rxe5 28. Qc7 Qa6 29. Qxc5 Qxa2 30. Qd6 Re2 31. Qe6+ Rxe6 32. dxe6 Qxd2 33. Nc3 Ra8 34. Na4 Qe2+ 35. Kg1 Qg2#) 21... Qxd5 22. Qa6 Ba7 23. Qe2 Rfe8 24. Bg5 Re6 25. Na3 Nd3 26. Qd2 Be3 27. Bxe3 Rxe3 28. Nc4 [Diagram]
1. d4 b6 2. c4
c5 3. dxc5 {The start of the Hekili-Loa Gambit. The Hekili-Loa can also
have the moves 1.d4 b6 2.e4 c5 3.dxc5 Nc6.} Nc6 {The idea in this
gambit is to sac the pawns at c5, b6 & at a7 for active piece play.
You actually sac only two pawns because Black can recover the pawn at a7.}
4. cxb6 e5 5. bxa7 Bc5 6. Qd3 {A really curious move. White should
have played for piece development such as 6.Nc3.} f5 {This pawn at f5
is actually poison. Capturing this pawn will open "Pandora's Box".
All kinds of bad things will occur.} 7. Qxf5 d5 8. Qd3 Nb4 9. Qc3 d4 10.
Qb3 {This is amazing. White has made five Q-moves in the opening.}
Bf5 11. Na3 Rxa7 12. Qg3 Qe7 13. Qf3 Bg6 14. Kd1 {Now the White K has
to cover the c2 square.} Nf6 15. Bg5 O-O 16. Qg3 e4 {Black has
control of the center and his pieces are fully mobilized. They are
ready to start the attack on White's king.} 17. Nh3 d3 18. Nf4 Qe5 19.
Nxg6 {Better was 19.Rb1 to guard the b2 pawn. White's queen side was
still very weak. } Qxb2 20. Rb1 Qxa3 21. Nxf8 Qa4+ 22. Rb3 Qxa2 23. Rc3
Qa1+ 24. Rc1 Qa4+ 25. Kd2 e3+ !! {A powerful move. If 26.Ke1 d2+
mate. If 26.Kc3 Ne4+ 27.Kb2 Qa2+ mate. If 26.fxe3 then 26...Ne4+
wins the Q. If 26.Bxe3 Ne4+ drops the Q. If 26.Qxe3 Bxe3+ wins
the Q.} 26. Qxe3 Bxe3+ 27. Kxe3 Re7+ 28. Kf3 Qc6+ 29. Kg3 Ne4+ 30. Kh4
Nxg5 31. exd3 Qh6+ 32. Kg4 Nc6 {Better was 32...Kxf8. There is no need
to take any risks.} 33. f4 Kxf8 34. Rb1 0-1 KillerGrob (2546) – Evilone (1997) Internet Chess Club 1/3/99 Game 15min. 1. d4 b6 2. Nf3 {Normally White plays 2.e4. The other possible move is 2.c4 but Black has had good games against this. The move 2.Nf3 is an improvement over 2.e4.} c5 3. dxc5 Nc6 {The start of the Hekili-Loa Gambit.} 4. cxb6 e5 5. bxa7 f5 {An improvement over the 5...Bc5 move I played in another game. White had 6.Nxe5 Nxe5 7.Qd5 & now my B, N, & R all hang.} 6. e3 Nf6 7. Nh4 {A curious move. Why did White play his N to the rim of the board? Better was to play for control of the d5 square to prevent Black from getting a massive rolling pawn center.} d5 8. Bb5 Qc7 {This is the only move that makes sense. It guards my N plus it aims for the kingside attack.} 9. O-O Bd6 10. Nc3 Be6 11. Ba4 O-O 12. Nf3 {I do not believe this was good for White. Better was to just play the simple 12.Nb5 to remove my dangerous B.} e4 13. Ng5 Bxh2+ 14. Kh1 Ng4 15. Nxe6 {White miss played this game. He should have tried to find a way to safe guard his K side instead of trying to snatch as many pieces as possible.} Qf7 16. Bxc6 Qh5 17. Ng5 {A cute move. If 17...Bg6+ 18.Nh3 saves White's K.} Qxg5 18. Bxa8 [Diagram]
1. d4 b6 2. e4
c5 3. dxc5 Nc6 {The Hekili-Loa Gambit} 4. cxb6 e5 5. bxa7 Bc5 6. Nf3
Qb6 7. Qd2 Rxa7 8. Nc3 Nf6 9. Bd3 O-O 10. O-O d6 11. a4 Bg4 12. Ng5
{This is a premature move that causes White's game to slip downhill.} h6
13. h3 Bh5 14. Nf3 Bxf3 15. gxf3 {White now has a very serious weakness
on the kingside. If Black can post a N at f4 White is in big trouble.}
Nd4 16. Qd1 Qd8 {Black is setting up for a kingside attack.
Black intends to post a N at f4.} 17. Na2 Nh5 18. c3 Ne6 19. Re1 Nef4 20.
Re2 Qd7 21. Rd2 Qxh3 22. Bf1 Qg3+ 23. Kh1 Bxf2 24. Rxf2 Qxf2 25. Bxf4 exf4
26. Bg2 Ra5 {This R lift threatens checkmate after Ng3+} 27. Kh2 Ng3
28. Qd5 {a desperado move to stop checkmate}Rxd5 29. exd5 Ne2 30. Nb4
Qg3+ 31. Kh1 {White resigns} 0-1 CONCLUSION The Regina-Nu family of gambits has been a journey of discovery. I had discovered the Hekili-Loa Gambit first which led to the development of the Regina-Nu Gambit. Recently I had wondered if a Regina-Nu Gambit type of position could be played from the Birds Opening (1.f4). This led to the creation of the Bird Regina-Nu Gambit. Still unexplored is the possibility of sacrificing only the c- and b-pawns for the opponent's d-pawn for all three gambits. There still exists many other unsolved mysteries in the three gambits presented. My current opinion on the Hekili-Loa Gambit is that it is not quite sound and difficult to play. The Regina-Nu Gambit is playable but you have to be tactically alert because there are winning chances in this gambit. In the three games that I played with the Regina-Nu gambit I had one win and two losses, but I should have won the one game I lost and drawn the other lost game. The most dangerous Regina-Nu Gambit for Black is the Bird Regina-Nu Gambit. It is my most recent gambit creation. All three gambits are still a work in progress and I still enjoy playing them.
REFERENCES
1.Yahoo
Unorthodox Chess Openings Newsgroups Messages:
2.Yahoo
Unorthodox Chess Openings Newsgroups Files:
3.Unorthodox Chess Openings, 2nd Edition, by Eric Schiller
4. Gambit Chess Openings, by Eric Schiller ________________________________________________________________________ Copyright 2006 Clyde Nakamura. All rights reserved.
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