MESON Chess Problem Database

Problem Display
PID: 158650 (R7/1p3pNP/1P3kr1/4N1p1/6K1/2p2P2/7Q/B7 w - - 0 1)

Andrew, Frederick William

Morning Post, 1895

(First published on Wed Jul 3 1895)

R7/1p3pNP/1P3kr1/4N1p1/6K1/2p2P2/7Q/B7

#2

9 + 6

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg7
      • 2.h8Q#
      • 2.h8B#
    • 1...c2
      • 2.Sc6#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Bxc3#
        • 2.Qe5#
      • 1...Kxg7
        • 2.h8Q#
        • 2.h8B#
      • 1...Rxg7
        • 2.Qd6#
      • 1...Rh6
        • 2.Qxh6#
      • 1...bxc6!
    • 1.Sd7+?
      • 1...Kxg7
        • 2.Rg8#
        • 2.h8Q#
        • 2.h8B#
      • 1...Ke7!
    • 1.Re8?
      • threat
        • 2.Sh5#
      • 1...Kxg7
        • 2.h8Q#
        • 2.h8B#
      • 1...Rh6
        • 2.Qxh6#
      • 1...Rxg7!
  • Keys
    • 1.Qd2!
      • 1...Kxe5
        • 2.Bxc3#
      • 1...Ke7
        • 2.Qd8#
      • 1...Kxg7
        • 2.h8Q#
      • 1...Rxg7
        • 2.Qd6#
      • 1...cxd2
        • 2.Sc6#
      • 1...Rh6
        • 2.Qxg5#
      • 1...c2
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT,XS(G)::P=Q
    • P(a);::B(A)+S(E)
  • Tries
    • Try
      • S(E);P_PINP(a)
      • Threat
        • DUALS(2)
      • Vars
        • K(c);S_FLIGHT,XS(G)::P=Q
        • R(d);SBLOCK,XS(G)::QAR2(B)
        • R(d);OGATEB::QAR2(B),XR(d)
      • Refutation
        • P(e);XS(E)
    • Try
      • S(E);CHECK,P_PINP(a)
      • Refutation
        • K(c);N_SPINP(a),S_FLIGHT
    • Try
      • R(I);
      • Threat
        • S(G)
      • Vars
        • K(c);S_FLIGHT,XS(G)::P=Q
        • R(d);OGATEB::QAR2(B),XR(d)
      • Refutation
        • R(d);XS(G)
  • Actual
    • Q(B);
    • Vars
      • K(c);OGATEB,P_SPINP(a),S_FLIGHT,XS(E)::B(A),XP(a)
      • K(c);S_FLIGHT::QAB1(B)
      • K(c);S_FLIGHT,XS(G)::P=Q
      • R(d);SBLOCK,XS(G)::QAR2(B)
      • P(a);XQ(B)::B(A)+S(E)
      • R(d);N_GUARD::QAB1(B),XP(b)
      • P(a);::B(A)+S(E)
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