MESON Chess Problem Database
Problem Display
PID: 72300 (Q4rkr/1B3p1p/7P/R3p3/8/8/7K/1n6 w - - 0 1)
Graham, John H
Source?, 0000
#2
5 + 7
| 81 | Chess | 1953 |
SOLUTION
- SOUND
- Sets
- 1...Rxa8
- 2.Rxa8#
- 1...Rb8
- 2.Qxb8#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxe8#
- 1...e4
- 2.Rg5#
- 1...f5
- 2.Bd5#
- 1...f6
- 2.Bd5#
- 1...Rxa8
- Tries
- 1.Ba6?
- threat
- 2.Qg2#
- 1...Rb8
- 2.Qxb8#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxe8#
- 1...f5
- 2.Bc4#
- 1...f6
- 2.Bc4#
- 1...e4
- 2.Rg5#
- 1...Rxa8!
- threat
- 1.Ra1?
- 1...Rxa8
- 2.Rxa8#
- 1...Rb8
- 2.Qxb8#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxe8#
- 1...f5
- 2.Bd5#
- 1...f6
- 2.Bd5#
- 1...Sd2
- 2.Rg1#
- 1...Sa3
- 2.Rg1#
- 1...Sc3
- 2.Rg1#
- 1...e4!
- 1...Rxa8
- 1.Ra2?
- threat
- 2.Rg2#
- 1...Rxa8
- 2.Rxa8#
- 1...Rb8
- 2.Qxb8#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxe8#
- 1...f5
- 2.Bd5#
- 1...f6
- 2.Bd5#
- 1...Sd2!
- threat
- 1.Ra4?
- threat
- 2.Rg4#
- 1...Rxa8
- 2.Rxa8#
- 1...Rb8
- 2.Qxb8#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxe8#
- 1...f5
- 2.Bd5#
- 1...f6
- 2.Bd5#
- 1...e4!
- threat
- 1.Rxe5?
- threat
- 2.Rg5#
- 1...Rb8
- 2.Qxb8#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Rxe8#
- 2.Qxe8#
- 1...f5
- 2.Bd5#
- 1...f6
- 2.Bd5#
- 1...Rxa8!
- threat
- 1.Qc8?
- threat
- 2.Qg4#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxe8#
- 1...f5
- 2.Bd5#
- 1...f6
- 2.Bd5#
- 1...Rxc8!
- threat
- 1.Qd8?
- threat
- 2.Qg5#
- 1...Re8
- 2.Qxe8#
- 1...f5
- 2.Bd5#
- 1...f6
- 2.Bd5#
- 1...Rxd8!
- threat
- 1.Ba6?
- Keys
- 1.Bh1!
- threat
- 2.Qg2#
- 1...Rxa8
- 2.Rxa8#
- 1...Rb8
- 2.Qxb8#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxd8#
- 1...Re8
- 2.Qxe8#
- 1...f5
- 2.Bd5#
- 1...f6
- 2.Bd5#
- 1...e4
- 2.Rg5#
- threat
- 1.Bh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);N_SPINR(e),OGATE,XQ(E)::R(B),XR(e)
- R(e);OGATEB::QAR(E),XR(e)
- R(e);OGATEB::QAR2(E),XR(e)
- P(b);OGATE::R(B)
- P(c);OGATEB::B(D)
- Tries
- Try
- B(D);
- Threat
- QAR(E)
- Vars
- R(e);OGATEB::QAR(E),XR(e)
- R(e);OGATEB::QAR2(E),XR(e)
- P(c);OGATEB::B(D)
- P(b);OGATE::R(B)
- Refutation
- R(e);N_SPINR(e),XQ(E)
- Try
- R(B);
- Vars
- R(e);N_SPINR(e),OGATE,XQ(E)::R(B),XR(e)
- R(e);OGATEB::QAR(E),XR(e)
- R(e);OGATEB::QAR2(E),XR(e)
- P(c);OGATEB::B(D)
- S(a);OGATE::R(B)
- Refutation
- P(b);
- Try
- R(B);
- Threat
- R(B)
- Vars
- R(e);N_SPINR(e),OGATE,XQ(E)::R(B),XR(e)
- R(e);OGATEB::QAR(E),XR(e)
- R(e);OGATEB::QAR2(E),XR(e)
- P(c);OGATEB::B(D)
- Refutation
- S(a);
- Try
- R(B);
- Threat
- R(B)
- Vars
- R(e);N_SPINR(e),OGATE,XQ(E)::R(B),XR(e)
- R(e);OGATEB::QAR(E),XR(e)
- R(e);OGATEB::QAR2(E),XR(e)
- P(c);OGATEB::B(D)
- Refutation
- P(b);
- Try
- R(B);XP(b)
- Threat
- R(B)
- Vars
- R(e);OGATEB::QAR(E),XR(e)
- P(c);OGATEB::B(D)
- Refutation
- R(e);N_SPINR(e),XQ(E)
- Try
- Q(E);
- Threat
- QAR(E)
- Vars
- R(e);OGATEB::QAR(E),XR(e)
- R(e);OGATEB::QAR2(E),XR(e)
- P(c);OGATEB::B(D)
- Refutation
- R(e);N_SPINR(e),XQ(E)
- Try
- Q(E);
- Threat
- QAR(E)
- Vars
- R(e);OGATEB::QAR2(E),XR(e)
- P(c);OGATEB::B(D)
- Refutation
- R(e);N_SPINR(e),XQ(E)
- Try
- Actual
- B(D);
- Threat
- QAR(E)
- Vars
- R(e);N_SPINR(e),OGATE,XQ(E)::R(B),XR(e)
- R(e);OGATEB::QAR(E),XR(e)
- R(e);OGATEB::QAR2(E),XR(e)
- P(c);OGATEB::B(D)
- P(b);OGATE::R(B)
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