MESON Chess Problem Database

Problem Display
PID: 145790 (7n/4p1B1/2P1k3/Q1q1N1R1/2N1P1K1/1B6/8/6b1 w - - 0 1)

Winter-Wood, Edward John

Falkirk Herald, 1907

(First published on Wed May 29 1907)

7n/4p1B1/2P1k3/Q1q1N1R1/2N1P1K1/1B6/8/6b1

#2

9 + 5

15254 EJWW Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qf2
      • 2.Qd5#
    • 1...Qa3
      • 2.Qd5#
    • 1...Qe3
      • 2.Qd5#
    • 1...Qb4
      • 2.Qd5#
    • 1...Qb6
      • 2.Qd5#
    • 1...Qa7
      • 2.Qd5#
    • 1...Qd5
      • 2.Qxd5#
      • 2.exd5#
    • 1...Sg6
      • 2.Rxg6#
    • 1...Sf7
      • 2.Rg6#
  • Tries
    • 1.Sb2+?
      • 1...Kd6
        • 2.Qd8#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qc4!
    • 1.Sd2+?
      • 1...Kd6
        • 2.Qd8#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qc4!
    • 1.Sa3+?
      • 1...Kd6
        • 2.Qd8#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qc4!
    • 1.Se3+?
      • 1...Kd6
        • 2.Sf5#
        • 2.Qd8#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qc4!
    • 1.Sb6+?
      • 1...Kd6
        • 2.Sc8#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qc4!
    • 1.Sd6+?
      • 1...Kxd6
        • 2.Qd8#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qc4!
    • 1.Bxh8?
      • threat
        • 2.Rg6#
      • 1...Qf2
        • 2.Qd5#
      • 1...Qxe5!
    • 1.Qxc5?
      • threat
        • 2.Sb2#
        • 2.Sd2#
        • 2.Sa3#
        • 2.Se3#
        • 2.Sa5#
        • 2.Sb6#
        • 2.Sd6#
        • 2.Qd5#
      • 1...Be3
        • 2.Sb2#
        • 2.Sd2#
        • 2.Sa3#
        • 2.Sxe3#
        • 2.Sa5#
        • 2.Sb6#
        • 2.Sd6#
        • 2.Qd5#
      • 1...Bxc5!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sd8#
      • 1...Qf5+
        • 2.Qxf5#
      • 1...Qxg5+
        • 2.Sxg5#
      • 1...Kxf7
        • 2.Sd6#
      • 1...Qxc4
        • 2.Bxc4#
        • 2.Qf5#
      • 1...Qxa5
        • 2.Sxa5#
      • 1...Qxc6
        • 2.Qf5#
      • 1...Sxf7
        • 2.Rg6#
      • 1...Qd4
        • 2.Qf5#
      • 1...Qb6
        • 2.Sxb6#
        • 2.Qd5#
        • 2.Qf5#
      • 1...Qd6
        • 2.Scxd6#
        • 2.Qf5#
      • 1...Qd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 7
  • Sets
    • Q(b);OGATE::QAB1(E)
    • S(e);N_GUARD::R(G),XS(e)
    • S(e);N_GUARD::R(G)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR2(E)
        • Q(b);OGATE,P_SPINQ(b)::QAB1(E),XQ(b)
      • Refutation
        • Q(b);P_PINP(C),P_SPINQ(b)
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR2(E)
        • Q(b);OGATE,P_SPINQ(b)::QAB1(E),XQ(b)
      • Refutation
        • Q(b);P_PINP(C),P_SPINQ(b)
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR2(E)
        • Q(b);OGATE,P_SPINQ(b)::QAB1(E),XQ(b)
      • Refutation
        • Q(b);P_PINP(C),P_SPINQ(b)
    • Try
      • S(B);CHECK
      • Vars
        • Q(b);OGATE,P_SPINQ(b)::QAB1(E),XQ(b)
      • Refutation
        • Q(b);P_PINP(C),P_SPINQ(b)
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT::S(B)
        • Q(b);OGATE,P_SPINQ(b)::QAB1(E),XQ(b)
      • Refutation
        • Q(b);P_PINP(C),P_SPINQ(b)
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(B)::QAR2(E)
        • Q(b);OGATE,P_SPINQ(b)::QAB1(E),XQ(b)
      • Refutation
        • Q(b);P_PINP(C),P_SPINQ(b)
    • Try
      • B(I);XS(e)
      • Threat
        • R(G)
      • Vars
        • Q(b);OGATE::QAB1(E)
      • Refutation
        • Q(b);XS(F)
    • Try
      • Q(E);XQ(b)
      • Threat
        • DUALS(8)
      • Refutation
        • B(a);XQ(E)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • Q(b);CHECK,OGATE::QAB1(E),XQ(b)
      • Q(b);CHECK,XR(G)::S(F),XQ(b)
      • K(c);S_FLIGHT,XS(F)::B(A)+S(B),DCHECK
      • Q(b);XQ(E)::B(A)+S(B),XQ(b)
      • Q(b);OGATE,XP(H)::QAB1(E)
      • S(e);N_GUARD,SBLOCK,XS(F)::R(G)
      • Q(b);OGATE,P_PINP(C)::QAB1(E)
      • Q(b);OGATE::QAB1(E),XQ(b)
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