MESON Chess Problem Database
Problem Display
PID: 70963 (1BB1R3/1K1N3b/Np6/3k4/P1Rq4/1p1p1p1n/3P2Q1/8 w - - 0 1)
Warner, JH
Chess, 1951
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sxb6#
- 1...Qb2
- 2.Sxb6#
- 1...Qc3
- 2.Sxb6#
- 1...Qe5
- 2.Sxb6#
- 1...Qh8
- 2.Sxb6#
- 1...Qe4
- 2.Sxb6#
- 1...Qf4
- 2.Sxb6#
- 1...Qg4
- 2.Sxb6#
- 1...Qh4
- 2.Sxb6#
- 1...Be4
- 2.Qg8#
- 1...Bg8
- 2.Qxg8#
- 1...Qa1
- Tries
- 1.Sc7+?
- 1...Kd6
- 2.Rxd4#
- 2.Rc6#
- 2.Re6#
- 1...Kxc4!
- 1...Kd6
- 1.Rc5+?
- 1...bxc5
- 2.Sb6#
- 1...Qxc5!
- 1...bxc5
- 1.Re5+?
- 1...Qxe5
- 2.Sxb6#
- 1...Kxc4!
- 1...Qxe5
- 1.Qxf3+?
- 1...Qe4
- 2.Sxb6#
- 1...Be4
- 2.Qf7#
- 1...Kxc4!
- 1...Qe4
- 1.Qg4?
- threat
- 2.Rxd4#
- 2.Qe6#
- 2.Qxd4#
- 1...Kxc4
- 2.Sxb6#
- 1...Qxc4
- 2.Sxb6#
- 2.Sf6#
- 2.Re5#
- 1...Qxg4
- 2.Sxb6#
- 1...Qg1
- 2.Sb4#
- 2.Sf6#
- 2.Re5#
- 2.Qe6#
- 1...Qa1
- 2.Sb4#
- 2.Sxb6#
- 2.Qe6#
- 1...Qb2
- 2.Sb4#
- 2.Sxb6#
- 2.Qe6#
- 1...Qf2
- 2.Sb4#
- 2.Sf6#
- 2.Re5#
- 2.Qe6#
- 1...Qc3
- 2.Sxb6#
- 2.Qe6#
- 1...Qe3
- 2.Sb4#
- 2.Sf6#
- 1...Qc5
- 2.Sf6#
- 2.Re5#
- 2.Qe6#
- 1...Qe5
- 2.Sb4#
- 2.Sxb6#
- 2.Rxe5#
- 1...Qf6
- 2.Sb4#
- 2.Sxf6#
- 1...Qg7
- 2.Sb4#
- 2.Qe6#
- 1...Qh8
- 2.Sb4#
- 2.Sxb6#
- 2.Qe6#
- 1...Qe4
- 2.Sxb6#
- 1...Qf4
- 2.Sxb6#
- 2.Qe6#
- 1...Be4
- 2.Qe6#
- 2.Qg8#
- 1...Bf5
- 2.Rxd4#
- 2.Qxd4#
- 1...Bg8
- 2.Rxd4#
- 2.Qxd4#
- 2.Qxg8#
- 1...Sg5
- 2.Rxd4#
- 2.Qxd4#
- 1...Sf4!
- threat
- 1.Sc7+?
- Keys
- 1.Re4!
- threat
- 2.Rcxd4#
- 1...Kxc4
- 2.Sxb6#
- 1...Kxe4
- 2.Sf6#
- 1...Qxc4
- 2.Sf6#
- 1...Qxe4
- 2.Sxb6#
- 1...Bxe4
- 2.Qg8#
- 1...Qa1
- 2.Sb4#
- 2.Sxb6#
- 1...Qg1
- 2.Sb4#
- 2.Sf6#
- 1...Qb2
- 2.Sb4#
- 2.Sxb6#
- 1...Qf2
- 2.Sb4#
- 2.Sf6#
- 1...Qc3
- 2.Sxb6#
- 1...Qe3
- 2.Sb4#
- 2.Sf6#
- 1...Qc5
- 2.Sf6#
- 1...Qe5
- 2.Sxb6#
- 1...Qf6
- 2.Sb4#
- 2.Sxf6#
- 1...Qg7
- 2.Sb4#
- 1...Qh8
- 2.Sb4#
- 2.Sxb6#
- threat
- 1.Re4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- Q(e);N_GUARD::S(G),XP(g)
- Q(e);N_GUARD,N_SPINP(c)::S(G),XP(g)
- B(h);N_GUARD,N_SPINP(c)::QAB(B)
- B(h);N_GUARD::QAB(B),XB(h)
- Tries
- Try
- S(E);CHECK
- Refutation
- K(f);N_SPINP(c),S_FLIGHT,XR(D)
- Try
- R(D);CHECK
- Vars
- P(g);XR(D)::S(G)
- Refutation
- Q(e);XR(D)
- Try
- R(J);CHECK
- Vars
- Q(e);XR(J)::S(G),XP(g)
- Refutation
- K(f);N_SPINP(c),S_FLIGHT,XR(D)
- Try
- Q(B);CHECK,XP(c)
- Vars
- Q(e);P_SPINQ(e)::S(G),XP(g)
- B(h);P_SPINB(h)::QAB(B)
- Refutation
- K(f);S_FLIGHT,XR(D)
- Try
- Q(B);N_PINP(c)
- Threat
- DUALS(3)
- Vars
- K(f);P_SPINQ(e),S_FLIGHT,XR(D)::S(G),XP(g)
- Q(e);N_GUARD,XQ(B)::S(G),XP(g)
- Q(e);N_GUARD::S(G),XP(g)
- Refutation
- S(d);
- Try
- Actual
- R(J);N_PINP(c)
- Threat
- R1(D),XQ(e)
- Vars
- K(f);P_SPINQ(e),S_FLIGHT,XR(D)::S(G),XP(g)
- K(f);P_SPINP(c),P_SPINQ(e),S_FLIGHT,XR(J)::S(G)
- Q(e);N_GUARD,XR(D)::S(G)
- Q(e);N_GUARD,XR(J)::S(G),XP(g)
- B(h);N_GUARD,SBLOCK,XR(J)::QAB(B)
- Q(e);N_GUARD::S(G),XP(g)
- Q(e);N_GUARD::S(G)
- Q(e);P_PINS(G)::S(E)
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