MESON Chess Problem Database

Problem Display
PID: 132114 (1r1b2q1/5NR1/2PP1PP1/1B2P2p/Rn2Qnkp/1K3Nrb/4P3/4B3 w - - 0 1)

Waterhouse, T

The Field, 1955

(First published on Thu Nov 10 1955)

1r1b2q1/5NR1/2PP1PP1/1B2P2p/Rn2Qnkp/1K3Nrb/4P3/4B3

#2

14 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf7+
      • 2.gxf7#
    • 1...Qh7
      • 2.gxh7#
    • 1...Qe8
      • 2.Sh6#
    • 1...Qf8
      • 2.Sh6#
    • 1...Rg1
      • 2.Sh2#
    • 1...Rxf3+
      • 2.exf3#
    • 1...Sa2
      • 2.Qxf4#
    • 1...Sc2
      • 2.Qxf4#
    • 1...Sd3
      • 2.Sh2#
    • 1...Sd5
      • 2.Sh6#
    • 1...Sa6
      • 2.Qxf4#
    • 1...Sxc6
      • 2.Qxf4#
  • Keys
    • 1.c7!
      • threat
        • 2.Bd7#
      • 1...Qxf7+
        • 2.gxf7#
      • 1...Rxf3+
        • 2.exf3#
      • 1...Rxb5
        • 2.c8Q#
        • 2.c8B#
      • 1...Qe8
        • 2.Sh6#
      • 1...Sa2
        • 2.Qxf4#
      • 1...Sc2
        • 2.Qxf4#
      • 1...Sd3
        • 2.Sh2#
      • 1...Sd5
        • 2.Sh6#
      • 1...Sa6
        • 2.Qxf4#
      • 1...Sc6
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • Q(j);CHECK,OGATE,XS(M)::R(N)+P(L),XQ(j)
    • Q(j);OGATE::R(N)+P(L),XQ(j)
    • Q(j);::S(M)
    • R(a);N_PINS(D),P_PINS(M)::S(D)
    • R(a);CHECK,OGATE,P_PINS(M),XS(D)::P(B),XR(a)
    • S(c);P_PINB(G)::QAR1(F),XS(d)
    • S(c);N_PINS(D),P_PINB(G),P_PINS(M)::S(D)
    • S(c);P_PINB(G)::S(M)
    • S(c);P_PINB(G),XP(I)::QAR1(F),XS(d)
  • Actual
    • P(I);
    • Threat
      • B(G)
    • Vars
      • Q(j);CHECK,OGATE,XS(M)::R(N)+P(L),XQ(j)
      • R(a);CHECK,OGATE,P_PINS(M),XS(D)::P(B),XR(a)
      • R(h);N_GUARD,XB(G)::P=Q
      • Q(j);::S(M)
      • S(c);P_PINB(G)::QAR1(F),XS(d)
      • S(c);N_PINS(D),P_PINB(G),P_PINS(M)::S(D)
      • S(c);P_PINB(G)::S(M)
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