MESON Chess Problem Database
Problem Display
PID: 269512 (1Q4B1/6p1/3p2K1/1qb1kp2/5r2/R3NP1n/3PN2B/8 w - - 0 1)
Page, George
British Chess Magazine, 1934
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Qe8#
- 1...Qc4
- 2.Sxc4#
- 1...Qa6
- 2.Qe8#
- 1...Qc6
- 2.Sc4#
- 1...Qd7
- 2.Sc4#
- 1...Qe8+
- 2.Qxe8#
- 1...Qb1
- 2.Sc4#
- 2.Qe8#
- 1...Qb2
- 2.Sc4#
- 2.Qe8#
- 1...Qb4
- 2.Qe8#
- 1...Qa5
- 2.Sc4#
- 2.Qe8#
- 1...Qb6
- 2.Sc4#
- 2.Qe8#
- 1...Qb7
- 2.Sc4#
- 1...Qxb8
- 2.Sc4#
- 1...Bxa3
- 2.d4#
- 1...Bxe3
- 2.Rxe3#
- 1...Bb4
- 2.d4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...Sg5
- 2.Bxf4#
- 1...Qd3
- Tries
- 1.Qxd6+?
- 1...Bxd6
- 2.d4#
- 1...Kxd6!
- 1...Bxd6
- 1.Qc7?
- threat
- 2.Qe7#
- 2.Qxg7#
- 1...Qxe2
- 2.Qxg7#
- 1...Qc4
- 2.Sxc4#
- 2.Qxg7#
- 1...Qd7
- 2.Sc4#
- 1...Qb3
- 2.Qxg7#
- 1...Qb7
- 2.Sc4#
- 1...Sg5
- 2.Bxf4#
- 2.Qxg7#
- 1...Qe8+!
- threat
- 1.Qxb5?
- threat
- 2.Sc4#
- 2.Qe8#
- 2.d4#
- 1...Sg5
- 2.Sc4#
- 2.Bxf4#
- 2.d4#
- 1...d5!
- threat
- 1.Qb7?
- threat
- 2.Qd5#
- 2.Qe7#
- 2.Qxg7#
- 1...Qxe2
- 2.Qd5#
- 2.Qxg7#
- 1...Qxb7
- 2.Sc4#
- 1...Bxa3
- 2.Qe7#
- 2.Qxg7#
- 2.d4#
- 1...Bxe3
- 2.Rxe3#
- 2.Qe7#
- 2.Qxg7#
- 1...d5
- 2.Qxd5#
- 1...Qd3
- 2.Qe7#
- 2.Qxg7#
- 1...Qc4
- 2.Sxc4#
- 2.Qxg7#
- 1...Qc6
- 2.Sc4#
- 2.Qe7#
- 2.Qxg7#
- 1...Qd7
- 2.Sc4#
- 2.Qd5#
- 1...Qb3
- 2.Qxg7#
- 1...Bb4
- 2.Qe7#
- 2.Qxg7#
- 2.d4#
- 1...Bd4
- 2.Qe7#
- 2.Qxg7#
- 1...Bb6
- 2.Qe7#
- 2.Qxg7#
- 1...Ba7
- 2.Qe7#
- 2.Qxg7#
- 1...Sg5
- 2.Bxf4#
- 2.Qd5#
- 2.Qxg7#
- 1...Qe8+!
- threat
- 1.Qc8?
- threat
- 2.Qxf5#
- 2.Qe6#
- 1...Qe8+
- 2.Qxe8#
- 1...d5
- 2.Qe6#
- 1...Qd3
- 2.Qe6#
- 2.Qe8#
- 1...Qc4
- 2.Sxc4#
- 2.Qxf5#
- 1...Qd7
- 2.Sc4#
- 1...Qb1
- 2.Sc4#
- 2.Qe6#
- 2.Qe8#
- 1...Qb3
- 2.Qxf5#
- 1...Sg5
- 2.Bxf4#
- 2.Qxf5#
- 1...Qxe2!
- threat
- 1.Qf8?
- threat
- 2.Qe7#
- 2.Qxg7#
- 2.Qxf5#
- 1...Qe8+
- 2.Qxe8#
- 1...Qxe2
- 2.Qxg7#
- 1...Qd3
- 2.Qe7#
- 2.Qxg7#
- 2.Qe8#
- 1...Qc4
- 2.Sxc4#
- 2.Qxg7#
- 2.Qxf5#
- 1...Qd7
- 2.Sc4#
- 1...Qb1
- 2.Sc4#
- 2.Qe7#
- 2.Qxg7#
- 2.Qe8#
- 1...Qb3
- 2.Qxg7#
- 2.Qxf5#
- 1...Qb7
- 2.Sc4#
- 2.Qxf5#
- 1...Sg5
- 2.Bxf4#
- 2.Qxg7#
- 2.Qxf5#
- 1...d5!
- threat
- 1.Qxd6+?
- Keys
- 1.Ra5!
- 1...Qe8+
- 2.Qxe8#
- 1...Qxe2
- 2.Qb2#
- 1...Qxa5
- 2.Sc4#
- 2.Qe8#
- 1...Qxb8
- 2.Sc4#
- 2.d4#
- 1...Bxe3
- 2.Qe8#
- 1...Qa4
- 2.Rxc5#
- 1...Qd3
- 2.Qe8#
- 1...Qc4
- 2.Sxc4#
- 1...Qa6
- 2.Rxc5#
- 2.Qb2#
- 2.Qe8#
- 2.d4#
- 1...Qc6
- 2.Sc4#
- 2.Qb2#
- 2.d4#
- 1...Qd7
- 2.Sc4#
- 2.Rxc5#
- 2.Qb2#
- 2.d4#
- 1...Qb1
- 2.Sc4#
- 2.Rxc5#
- 2.Qe8#
- 2.d4#
- 1...Qb2
- 2.Sc4#
- 2.Rxc5#
- 2.Qxb2#
- 2.Qe8#
- 1...Qb3
- 2.d4#
- 1...Qb4
- 2.Qe8#
- 1...Qb6
- 2.Sc4#
- 2.Qe8#
- 2.d4#
- 1...Qb7
- 2.Sc4#
- 2.d4#
- 1...Ba3
- 2.Sc4#
- 2.Qe8#
- 2.d4#
- 1...Bb4
- 2.Sc4#
- 2.Qe8#
- 2.d4#
- 1...Bd4
- 2.Sc4#
- 2.Qe8#
- 1...Bb6
- 2.Sc4#
- 2.Qe8#
- 1...Ba7
- 2.Sc4#
- 2.Qe8#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...Sg5
- 2.Bxf4#
- 1...Qe8+
- 1.Ra5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(c);N_GUARD::QAR(H)
- Q(c);N_GUARD::S(E),XQ(c)
- Q(c);N_GUARD::S(E)
- Q(c);CHECK,N_GUARD::QAR(H),XQ(c)
- Q(c);N_GUARD,N_SPINP(g),XQ(H)::S(E)
- B(d);N_GUARD,XR(D)::P(A)
- B(d);OGATE,XS(E)::R(D),XB(d)
- B(d);N_GUARD::P(A)
- S(a);N_GUARD::B(C),XR(b)
- Tries
- Try
- Q(H);CHECK,XP(g)
- Vars
- B(d);SBLOCK,XQ(H)::P(A)
- Refutation
- K(e);S_FLIGHT,XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- Q(c);XS(B)::QAB(H),XP(h)
- Q(c);N_GUARD::S(E)
- Q(c);::QAB(H),XP(h)
- Refutation
- Q(c);CHECK
- Try
- Q(H);N_PINP(g),P_PINB(d),XQ(c)
- Threat
- DUALS(3)
- Refutation
- P(g);N_SPINB(d)
- Try
- Q(H);N_PINP(g)
- Threat
- DUALS(3)
- Vars
- Q(c);N_GUARD,XQ(H)::S(E)
- P(g);::QAR1(H),XP(g)
- Q(c);::QAB(H),XP(h)
- Refutation
- Q(c);CHECK
- Try
- Q(H);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,N_GUARD::QAR(H),XQ(c)
- P(g);::QAR1(H)
- Q(c);N_GUARD::S(E)
- Q(c);::QAR1(H),XP(f)
- Refutation
- Q(c);XS(B)
- Try
- Q(H);N_PINP(g)
- Threat
- DUALS(3)
- Vars
- Q(c);CHECK,N_GUARD::QAR(H),XQ(c)
- Q(c);XS(B)::QAB(H),XP(h)
- Q(c);N_GUARD::S(E)
- Refutation
- P(g);
- Try
- Actual
- R(D);
- Vars
- Q(c);CHECK,N_GUARD,P_SPINB(d)::QAR(H),XQ(c)
- Q(c);OGATE,P_SPINB(d),XS(B)::QAB(H)
- B(d);P_SPINQ(c),XS(E)::QAR(H)
- Q(c);OGATE,P_SPINB(d)::R(D),XB(d)
- Q(c);N_GUARD,P_SPINB(d)::QAR(H)
- Q(c);N_GUARD,P_SPINB(d)::S(E),XQ(c)
- Q(c);P_SPINB(d)::P(A)
- S(a);N_GUARD::B(C),XR(b)
Developed and maintained by Brian Stephenson.
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