MESON Chess Problem Database

Problem Display
PID: 175283 (3bkr1r/3pBR1p/5K2/3BN3/8/8/8/4R3 w - - 0 1)

Coppens, JP

Brisbane Courier, 1921

3bkr1r/3pBR1p/5K2/3BN3/8/8/8/4R3

#2

6 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf7+
      • 2.Bxf7#
    • 1...d6
      • 2.Bc6#
  • Keys
    • 1.Sc6!
      • threat
        • 2.Bxd8#
      • 1...Rxf7+
        • 2.Bxf7#
      • 1...Bxe7+
        • 2.Rxe7#
      • 1...dxc6
        • 2.Bxc6#
      • 1...Ba5
        • 2.Bb4#
      • 1...Bb6
        • 2.Bc5#
      • 1...Bc7
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(e);CHECK,XR(F)::B(B),XR(e)
    • P(a);::B(B)
  • Actual
    • S(C);
    • Threat
      • R(A)+B(E),XB(c)
    • Vars
      • R(e);CHECK,XR(F)::B(B),XR(e)
      • B(c);CHECK,OGATE,P_SPINB(c),XB(E)::R1(A),XB(c)
      • P(a);XS(C)::B(B),XP(a)
      • B(c);N_PINB(E)::R(A)+B(E)
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