MESON Chess Problem Database

Problem Display
PID: 220702 (4k1qR/3pP1rn/6N1/1B6/2p5/2P2Q2/K7/8 w - - 0 1)

Kipping, Cyril Stanley

Die Schwalbe, 1928

4k1qR/3pP1rn/6N1/1B6/2p5/2P2Q2/K7/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rf7
      • 2.Qa8#
  • Tries
    • 1.Rxg8+?
      • 1...Sf8
        • 2.Rxf8#
        • 2.Qxf8#
        • 2.exf8Q#
        • 2.exf8R#
      • 1...Rxg8!
  • Keys
    • 1.Bxc4!
      • threat
        • 2.Qa8#
      • 1...Rxg6
        • 2.Qf7#
      • 1...d5
        • 2.Bb5#
      • 1...d6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(c);SBLOCK::QAR(C)
  • Tries
    • Try
      • R(G);CHECK,XQ(f)
      • Refutation
        • R(c);XR(G)
  • Actual
    • B(D);N_PINP(b),P_SPINB(D),XP(a)
    • Threat
      • QAR(C)
    • Vars
      • R(c);N_GUARD,XS(E)::QAB1(C)
      • P(b);N_PINB(D)::B(D)
      • P(b);OGATEB::QAB(C)
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