MESON Chess Problem Database

Problem Display
PID: 154174 (8/8/6K1/3B3Q/3B4/RN1k1p2/6P1/3b4 w - - 0 1)

Ansell, George Kirkpatrick

The Times, 1894

(First published on Mon Nov 19 1894)

8/8/6K1/3B3Q/3B4/RN1k1p2/6P1/3b4

#2

7 + 3

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kc2
      • 2.Be4#
      • 2.Qf5#
    • 1...Bc2
      • 2.Qxf3#
    • 1...Be2
      • 2.Qf5#
    • 1...fxg2
      • 2.Qxd1#
    • 1...f2
      • 2.Qxd1#
  • Tries
    • 1.Bc4+?
      • 1...Kc2
        • 2.Qf5#
      • 1...Ke4
        • 2.Qg4#
        • 2.Qh4#
        • 2.Qe5#
        • 2.Qf5#
      • 1...Kxc4!
    • 1.Be4+?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kxe4
        • 2.Qf5#
      • 1...Ke2!
    • 1.Ra2?
      • threat
        • 2.Rd2#
        • 2.Qf5#
      • 1...Bc2
        • 2.Qxf3#
      • 1...Bxb3!
    • 1.Qxf3+?
      • 1...Kc2
        • 2.Be4#
        • 2.Qe4#
        • 2.Qf5#
      • 1...Bxf3!
    • 1.Qh4?
      • threat
        • 2.Qe4#
      • 1...Kc2
        • 2.Be4#
        • 2.Qe4#
      • 1...Ke2
        • 2.Bc4#
      • 1...Bxb3!
    • 1.Qe5?
      • threat
        • 2.Qe4#
      • 1...Kc2
        • 2.Be4#
        • 2.Qe4#
        • 2.Qf5#
      • 1...Bxb3!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qxd1#
      • 1...Kc2
        • 2.Be4#
      • 1...Ke2
        • 2.Bc4#
      • 1...Bxb3
        • 2.Qd1#
      • 1...Bc2
        • 2.Qf1#
      • 1...Be2
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD,SBLOCK::QAR2(F),XP(c)
    • B(a);SBLOCK::QAB(F)
    • P(c);OGATE,XP(A)::QAR2(F),XB(a)
    • P(c);OGATE::QAR2(F),XB(a)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(F)
      • Refutation
        • K(b);S_FLIGHT,XB(E)
    • Try
      • B(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(F)
        • K(b);S_FLIGHT,XB(E)::QAB1(F)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);N_GUARD::QAR2(F),XP(c)
      • Refutation
        • B(a);XS(C)
    • Try
      • Q(F);CHECK,XP(c)
      • Refutation
        • B(a);XQ(F)
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • B(a);P_SPINB(a),XS(C)
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Refutation
        • B(a);P_SPINB(a),XS(C)
  • Actual
    • Q(F);
    • Threat
      • QAR2(F),XB(a)
    • Vars
      • K(b);S_FLIGHT::B(E)
      • B(a);P_SPINB(a),XS(C)::QAR2(F)
      • B(a);N_GUARD,SBLOCK::QAB(F)
      • B(a);OGATE,SBLOCK::QAB(F)
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