MESON Chess Problem Database

Problem Display
PID: 60936 (Bb4b1/3nR1P1/4q2Q/4kNR1/1N1p3B/K2Pr1P1/2P5/8 w - - 0 1)

McIntyre, Donald Glenoe

South African Chess Magazine, 1945

Bb4b1/3nR1P1/4q2Q/4kNR1/1N1p3B/K2Pr1P1/2P5/8

#2

12 + 7

5639 Some Problems For My Friends 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe7
      • 2.Sxe7#
    • 1...Rxd3+
      • 2.Sxd3#
    • 1...Rxg3
      • 2.Bxg3#
    • 1...Bd6
      • 2.Sxe3#
    • 1...Bh7
      • 2.Rxe6#
      • 2.Qxe6#
  • Keys
    • 1.c4!
      • threat
        • 2.Sc6#
      • 1...Rxd3+
        • 2.Sxd3#
      • 1...Qxe7
        • 2.Sxe7#
      • 1...Rxg3
        • 2.Bxg3#
      • 1...dxc4 ep
        • 2.d4#
      • 1...Bd6
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(d);N_SPINQ(d),P_PINS(E),XR(J)::R(H)+S(G),XQ(d)
    • R(a);CHECK,XP(C)::S(E),XR(a)
    • R(a);OGATE,XP(D)::B(F),XR(a)
    • B(f);P_PINS(E),SBLOCK::R(H)+S(G),XR(a)
  • Actual
    • P(A);
    • Threat
      • S(E)
    • Vars
      • R(a);CHECK,XP(C)::S(E),XR(a)
      • Q(d);N_SPINQ(d),P_PINS(E),XR(J)::R(H)+S(G),XQ(d)
      • R(a);OGATE,XP(D)::B(F),XR(a)
      • P(b);EP,N_PINP(C),XP(A)::P(C)
      • B(f);P_PINS(E),SBLOCK::R(H)+S(G),XR(a)
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