MESON Chess Problem Database
Problem Display
PID: 109409 (6R1/4pp1r/4P2k/5Pp1/4K1Pp/2Q5/p7/B7 w - - 0 1)
Smook, Roger W
Chess Life & Review, 1978
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...h3
- 2.Qxh3#
- 1...fxe6
- 2.Rg6#
- 1...f6
- 2.Rg6#
- 1...Rg7
- Tries
- 1.Kd3?
- 1...fxe6
- 2.Rg6#
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...f6
- 2.Rg6#
- 1...h3!
- 1...fxe6
- 1.Ke3?
- 1...fxe6
- 2.Rg6#
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...f6
- 2.Rg6#
- 1...h3!
- 1...fxe6
- 1.Kf3?
- 1...fxe6
- 2.Rg6#
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...f6
- 2.Rg6#
- 1...h3!
- 1...fxe6
- 1.Kd5?
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...h3
- 2.Qxh3#
- 1...f6
- 2.Rg6#
- 1...fxe6+!
- 1...Rg7
- 1.Rxg5?
- threat
- 2.Rh5#
- 1...f6
- 2.Rg6#
- 1...Kxg5!
- threat
- 1.Rg7?
- 1...Rxg7
- 2.Qxg7#
- 1...fxe6
- 2.Rg6#
- 1...f6
- 2.Rg6#
- 1...h3
- 2.Qxh3#
- 1...Rh8!
- 1...Rxg7
- 1.Qb2?
- 1...fxe6
- 2.Rg6#
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...f6
- 2.Rg6#
- 1...h3!
- 1...fxe6
- 1.Qd2?
- threat
- 2.Qxg5#
- 1...Rh8
- 2.Rxh8#
- 1...f6
- 2.Rg6#
- 1...Rg7!
- threat
- 1.Qd4?
- 1...fxe6
- 2.Rg6#
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...f6
- 2.Rg6#
- 1...h3!
- 1...fxe6
- 1.Qe5?
- 1...fxe6
- 2.Rg6#
- 2.Qxe6#
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...f6
- 2.Rg6#
- 1...h3!
- 1...fxe6
- 1.Qc1?
- threat
- 2.Qxg5#
- 1...Rh8
- 2.Rxh8#
- 1...f6
- 2.Rg6#
- 1...Rg7!
- threat
- 1.Qa3?
- 1...fxe6
- 2.Rg6#
- 1...Rh8
- 2.Rxh8#
- 1...h3
- 2.Qxh3#
- 1...f6
- 2.Rg6#
- 1...Rg7!
- 1...fxe6
- 1.Qb3?
- 1...fxe6
- 2.Rg6#
- 2.Qxe6#
- 1...Rh8
- 2.Rxh8#
- 1...h3
- 2.Qxh3#
- 1...f6
- 2.Rg6#
- 1...Rg7!
- 1...fxe6
- 1.Qd3?
- 1...fxe6
- 2.Rg6#
- 1...Rh8
- 2.Rxh8#
- 1...h3
- 2.Qxh3#
- 1...f6
- 2.Rg6#
- 1...Rg7!
- 1...fxe6
- 1.Qe3?
- threat
- 2.Qxg5#
- 1...Rh8
- 2.Rxh8#
- 1...f6
- 2.Rg6#
- 1...Rg7!
- threat
- 1.Qf3?
- 1...fxe6
- 2.Rg6#
- 1...Rh8
- 2.Rxh8#
- 1...h3
- 2.Qxh3#
- 1...f6
- 2.Rg6#
- 1...Rg7!
- 1...fxe6
- 1.Qh3?
- 1...fxe6
- 2.Rg6#
- 1...Rh8
- 2.Rxh8#
- 1...f6
- 2.Rg6#
- 1...Rg7!
- 1...fxe6
- 1.exf7?
- threat
- 2.Rg6#
- 1...Rg7
- 2.Qxg7#
- 1...Rh8
- 2.Rxh8#
- 2.Qg7#
- 2.Qxh8#
- 1...Rxf7!
- threat
- 1.Kd3?
- Keys
- 1.Qh8!
- threat
- 2.Bg7#
- 1...Rxh8
- 2.Rxh8#
- 1...f6
- 2.Rg6#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(g);N_GUARD::QAB1(B),XR(g)
- P(b);OGATEB::QAR(B),XP(b)
- P(f);N_GUARD,XP(F)::R1(G)
- P(f);N_GUARD::R1(G)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);N_GUARD::QAB1(B),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- K(C);P-FLIGHT
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);N_GUARD::QAB1(B),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- K(C);S_FLIGHT
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);N_GUARD::QAB1(B),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- K(C);S_FLIGHT
- Vars
- R(g);N_GUARD::QAB1(B),XR(g)
- P(b);OGATEB::QAR(B),XP(b)
- P(f);N_GUARD::R1(G)
- Refutation
- P(f);CHECK,XP(F)
- Try
- R(G);XP(c)
- Threat
- R1(G)
- Vars
- P(f);N_GUARD::R1(G)
- Refutation
- K(d);S_FLIGHT,XR(G)
- Try
- R(G);
- Vars
- R(g);OGATE,XR(G)::QAB1(B),XR(g)
- P(f);N_GUARD,XP(F)::R1(G)
- P(f);N_GUARD::R1(G)
- P(b);OGATEB::QAR(B),XP(b)
- Refutation
- R(g);
- Try
- Q(B);
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);N_GUARD::QAB1(B),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- Q(B);P_PINP(c)
- Threat
- QAB1(B),XP(c)
- Vars
- R(g);OGATEB::R(G),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- Q(B);
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);N_GUARD::QAB1(B),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- Q(B);
- Vars
- R(g);N_GUARD::QAB1(B),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- Q(B);P_PINP(c)
- Threat
- QAB1(B),XP(c)
- Vars
- R(g);OGATEB::R(G),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- Q(B);
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);OGATEB::R(G),XR(g)
- P(b);OGATEB::QAR(B),XP(b)
- P(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- Q(B);
- Vars
- R(g);OGATEB::R(G),XR(g)
- P(b);OGATEB::QAR(B),XP(b)
- P(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- Q(B);
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);OGATEB::R(G),XR(g)
- P(b);OGATEB::QAR(B),XP(b)
- P(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- Q(B);P_PINP(c)
- Threat
- QAB1(B),XP(c)
- Vars
- R(g);OGATEB::R(G),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- Q(B);
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);OGATEB::R(G),XR(g)
- P(b);OGATEB::QAR(B),XP(b)
- P(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- Q(B);P_PINP(b)
- Vars
- P(f);N_GUARD,XP(F)::R1(G)
- R(g);OGATEB::R(G),XR(g)
- P(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- P(F);XP(f)
- Threat
- R1(G)
- Vars
- R(g);N_GUARD::QAB1(B),XR(g)
- Refutation
- R(g);XP(F)
- Try
- Actual
- Q(B);P_PINR(g)
- Threat
- B(A)
- Vars
- R(g);N_SPINR(g),OGATE,XQ(B)::R(G),XR(g)
- P(f);N_GUARD::R1(G)
Developed and maintained by Brian Stephenson.
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