MESON Chess Problem Database
Problem Display
PID: 145169 (q3Q1Bk/2P5/P6P/4RP2/3R4/K5P1/8/B7 w - - 0 1)
Morse, Christopher Jeremy
The Independent, 1987
#2
11 + 2
SOLUTION
- SOUND
- Tries
- 1.Rd7?
- threat
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Red5#
- 2.Re6#
- 2.Ree7#
- 2.Rh7#
- 1...Qf3+
- 2.Bb3#
- 2.Re3#
- 1...Qxe8
- 2.Rxe8#
- 1...Qc6
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rh7#
- 1...Qh1
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Re1#
- 2.Rh7#
- 1...Qg2
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Re2#
- 2.Rh7#
- 1...Qe4
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rxe4#
- 2.Rh7#
- 1...Qd5
- 2.Bxd5#
- 2.Be6#
- 2.Rexd5#
- 2.Rh7#
- 1...Qb7
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rb5#
- 2.Rh7#
- 1...Qa7
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rc5#
- 2.Rh7#
- 1...Qb8
- 2.Rb5#
- 2.Rh7#
- 1...Qd8
- 2.Ree7#
- 2.Rh7#
- 1...Qxa6+!
- threat
- 1.Re6?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rdd6#
- 2.Rd7#
- 2.Rd8#
- 1...Qf3+
- 2.Rd3#
- 1...Qxa6+
- 2.Ra4#
- 1...Qxe8
- 2.Rg4#
- 1...Qc6
- 2.Rc4#
- 1...Qh1
- 2.Rd1#
- 1...Qg2
- 2.Rd2#
- 1...Qe4
- 2.Rdxe4#
- 1...Qd5
- 2.Rxd5#
- 1...Qb7
- 2.Rb4#
- 1...Qb8
- 2.Rb4#
- 1...Qd8
- 2.Rxd8#
- 1...Qa7!
- threat
- 1.Re7?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 2.Rd8#
- 2.Rh7#
- 1...Qf3+
- 2.Bb3#
- 2.Rd3#
- 1...Qxe8
- 2.Rg4#
- 1...Qc6
- 2.Rh7#
- 1...Qh1
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rd1#
- 2.Rh7#
- 1...Qg2
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rd2#
- 2.Rh7#
- 1...Qe4
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rdxe4#
- 2.Rh7#
- 1...Qd5
- 2.Bxd5#
- 2.Be6#
- 2.Rxd5#
- 2.Rh7#
- 1...Qb7
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rb4#
- 2.Rh7#
- 1...Qa7
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bh7#
- 2.Rh7#
- 1...Qb8
- 2.Rb4#
- 2.Rh7#
- 1...Qd8
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 2.Rxd8#
- 2.Rh7#
- 1...Qxa6+!
- threat
- 1.Rd7?
- Keys
- 1.Rd6!
- threat
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Red5#
- 2.Ree6#
- 2.Re7#
- 1...Qf3+
- 2.Re3#
- 1...Qxa6+
- 2.Ra5#
- 1...Qxe8
- 2.Rxe8#
- 1...Qc6
- 2.Rc5#
- 1...Qh1
- 2.Re1#
- 1...Qg2
- 2.Re2#
- 1...Qe4
- 2.Rxe4#
- 1...Qd5
- 2.Rexd5#
- 1...Qb7
- 2.Rb5#
- 1...Qa7
- 2.Rc5#
- 1...Qb8
- 2.Rb5#
- 1...Qd8
- 2.Re7#
- threat
- 1.Rd6!
This is a version of 145157
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(D);
- Threat
- DUALS(11)
- Vars
- Q(a);N_PINP(G),OGATE,XQ(J)::B(A)+R(E),XQ(a)
- Refutation
- Q(a);CHECK,XP(G)
- Try
- R(E);
- Threat
- DUALS(14)
- Vars
- Q(a);CHECK,N_PINP(G)::B(A)+R(D)
- Q(a);CHECK,XP(G)::B(A)+R(D)
- Q(a);N_PINP(G),XQ(J)::B(A)+R(D)
- Q(a);N_PINP(G)::B(A)+R(D)
- Q(a);N_PINP(G)::B(A)+R(D),XQ(a)
- Refutation
- Q(a);
- Try
- R(E);
- Threat
- DUALS(15)
- Vars
- Q(a);N_PINP(G),XQ(J)::B(A)+R(D)
- Q(a);N_PINP(G)::R1(E)
- Refutation
- Q(a);CHECK,XP(G)
- Try
- Actual
- R(D);
- Threat
- DUALS(10)
- Vars
- Q(a);CHECK,N_PINP(G)::B(A)+R(E)
- Q(a);CHECK,XP(G)::B(A)+R(E)
- Q(a);N_PINP(G),OGATE,XQ(J)::B(A)+R(E),XQ(a)
- Q(a);N_PINP(G)::B(A)+R(E)
- Q(a);N_PINP(G)::B(A)+R(E),XQ(a)
- Q(a);::B(A)+R(E)
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