MESON Chess Problem Database

Problem Display
PID: 262428 (1n5Q/1k1n1R2/1P6/4P3/R7/1N2B3/8/3K4 w - - 0 1)

Winter-Wood, Edward John

The Field, 1888

(First published on Sat Dec 1 1888)

1n5Q/1k1n1R2/1P6/4P3/R7/1N2B3/8/3K4

#2

8 + 3

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sa6
      • 2.Sa5#
    • 1...Sc6
      • 2.Rxd7#
      • 2.Qa8#
  • Tries
    • 1.Kc1?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Ke1?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Kc2?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Kd2?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Ke2?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Sa5+?
      • 1...Ka8
        • 2.b7#
      • 1...Ka6!
    • 1.Bg1?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Bf2?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Bd4?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Bc5?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Ra1?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Ra2?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Ra3?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Ra5?
      • 1...Kc6
        • 2.Qh1#
        • 2.Qc8#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Sa6!
    • 1.Rxd7+?
      • 1...Sxd7
        • 2.Qa8#
      • 1...Kc6!
    • 1.Re7?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Rg7?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Rh7?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Qd8?
      • threat
        • 2.Qc7#
      • 1...Sa6
        • 2.Sa5#
      • 1...Kc6!
    • 1.Qe8?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Qf8?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.Qg8?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
    • 1.e6?
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Rxd7#
        • 2.Qa8#
      • 1...Kc6!
  • Keys
    • 1.Rb4!
      • 1...Ka6
        • 2.Qc8#
      • 1...Kc6
        • 2.Qh1#
      • 1...Ka8
        • 2.b7#
      • 1...Sa6
        • 2.Sa5#
      • 1...Sc6
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::S(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);N_SPINS(b),OGATE,P_SPINS(c),S_FLIGHT::P(F)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(D);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(D);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(D);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(D);
      • Refutation
        • S(c);
    • Try
      • R(G);CHECK,XS(b)
      • Vars
        • S(c);OGATE,XR(G)::QAB1(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(G);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(G);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(G);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • P(E);
      • Vars
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);N_GUARD,N_SPINS(b),S_FLIGHT::QAB(H)
      • K(a);N_GUARD,N_SPINS(b),S_CUTS(c),S_FLIGHT::QAB(H)
      • K(a);N_SPINS(b),OGATE,P_SPINS(c),S_FLIGHT::P(F)
      • S(c);SBLOCK::S(B)
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