Solutions

CHESS TO ENJOY (page 17)

Problem I. U.S. Championship 1946 1. Bc8! and Bxe6 wins the trapped knight at h3.

Problem II. U.S. Open 1946 1. ... Nf3+! 2. gxf3 Qg5+ 3. Kh1 Qf4 threatens mate on h2 (4. Ng4 Qxd2).



Problem III. Ventnor City 1939 White won after 1. Rg1! Qf3+ 2. Qxf3 but 2. Kh2+! leads to mate. Also, 1. ... Kf8 2. Kh2! followed by 3. Qh8+ leads to mate.

    

 

SOLITAIRE CHESS ABCs of Chess (page 19)

Problem I. Pin: The simple capture 1. ... dxe4 gains material.



 

Problem II. Pin: After 1. ... gxf4 White is going to lose material.

Problem III. Skewer: Black gains the Exchange by 1. ... Nxg2. If 2. Kxg2, then 2. ... Bh3+.

Problem IV. Trapping: After 1. ... g5 White’s queen has no way out. The knight soon snares it.

 

Problem V. Trapping: Black traps the queen with 1. ... Nf4.



Problem VI. Mating net: The game ends with 1. ... Qh5 mate.

 

Total Score 95+

 

 51-65

81-94 66-80

36-50 21-35 06-20

0-05

2200-2399 2000-2199 1800-1999 1600-1799 1400-1599 1200-1399 under 1200



 uschess.org



Approx. Rating 2400+



 

 

 

  Chess Life — February 2012 71

Problem IV. U.S. Open 1946 1. Qa2! wins a piece, e.g. 1. ... Qxb5 2. Rb1 or 1. ... Bb7 2. Qa7.

Problem V. U.S. Open 1946 1. h6! threatens 2. Rxd7 Qxd7 3. Qf6 and 4. Qg7 mate, e.g. 1. ... Qd8 2. Ba4! Nb6 3. Qf6 or 2. ... f6 3. Qd5+ or 2. ... Re8 3. Rxe8+ Qxe8 4. dxc5 (4. ... dxc5 5. Qd2). While the game continuation is the strangest, 1. hxg6 will also do the job.

Problem VI. U.S. Championship 1948 1. ... Re8 2. Qd2 Re2!, e.g. 3. Qxd3 Rxf2+ 4. Kg1 Rxb2 followed by ... Bxc3 or ... Bc5+, or 4. ... Qxd3 5. Rxd3 Bc5 (6. Ne4 Rxh2+ 7. Nxc5 Rxh1+ 8. Kxh1 Nf2+).

ENDGAME LAB Benko’s Bafflers (page 49)

Problem I. 1. Rd4+ The first thematic try is 1. Re5+? Kxe5 2. Bxh6 a1=Q 3. Bg7+ Ke4 4. Bxa1 Rc1 5. Rf4+ Ke3, how- ever White cannot force a win. 1. ... Kxd4 2. Bb2+ Ke3 3. Rf3+ 3. Re2+? Kd3 4. Kxc5 Rh5+ 5. Kb4 a1=Q 6. Bxa1 Rb5+ 7. Kxb5 stalemate. 3. ... Ke4 4. Kxc5 a1=Q 5. Bxa1 Rc6+ 6. Kb5! wins. Of course not 6. Kxc6? yielding stalemate. 6. ... Rc5+ 7. Ka6 Rc6+ 8. Kb7 Rc1 9. Rf4+ Kd5 10. Bd4 wins.

  

 

Problem II. 1. Re4 The thematic try is 1. Rxb4? c2 2. Rc4 Bg6 3. Kg3 Kg1 Zugzwang 4. Kf3 Kf1 Zugzwang 5. Ke3 Ke1 Zugzwang 6. Rc8 Kd1 7. Rd8+ Kc1 8. Rb8 h5 9. Rb4 Kd1 10. Rd4+ Ke1 11. Rc4 Bf5 12. Kf4 Bd3 wins for Black.

The real solution runs: 1. ... Kg1 2. Rxb4 c2 3. Rc4 Bg6 4. Kg3 Zugzwang 4. ... Kf1 5. Kf3 Zugzwang 5. ... Ke1 6. Ke3 Zugzwang 6. ... Kd1 7. Rd4+ Kc1 8. Rb4 Kd1 9. Rd4+ Ke1 10. Rc4 Bf5 11. Rc5 Kd1 12. Rd5+ Ke1 13. Rc5 Bg6 14. Rc4 h6 15. Rc8 (15. Rc7; 15. Rc5) 15. ... h5 16. Rc6 Zugzwang 16. ... Kd1 17. Rd6+ Ke1 18. Rc6 Bf5 19. Kf4 Bd3 20. Kg5 Draws.

 

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