MESON Chess Problem Database

Problem Display
PID: 67491 (8/p7/8/k2K4/3pp3/1Qp5/r6R/1b4b1 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1948

8/p7/8/k2K4/3pp3/1Qp5/r6R/1b4b1

#2

3 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Rxa2#
  • Tries
    • 1.Kc5?
      • threat
        • 2.Qb5#
      • 1...Ka6
        • 2.Qb5#
      • 1...Rb2
        • 2.Qa3#
      • 1...Bd3
        • 2.Rxa2#
        • 2.Qxa2#
      • 1...a6
        • 2.Qb4#
      • 1...d3+!
    • 1.Qb4+?
      • 1...Ka6
        • 2.Rh6#
      • 1...Kxb4!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Qb5#
      • 1...Ka6
        • 2.Qb5#
      • 1...Rb2
        • 2.Qa3#
      • 1...Bd3
        • 2.Rxa2#
      • 1...a6
        • 2.Rh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::R(A),XR(c)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • QAR1(B)
      • Vars
        • K(g);P-FLIGHT::QAB1(B)
        • R(c);N_GUARD::QAR2(B)
        • P(h);SBLOCK::QAB1(B)
      • Refutation
        • P(e);CHECK
    • Try
      • Q(B);CHECK
      • Vars
        • K(g);P-FLIGHT::R(A)
      • Refutation
        • K(g);S_FLIGHT,XQ(B)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAR1(B)
    • Vars
      • K(g);P-FLIGHT::QAB1(B)
      • R(c);N_GUARD::QAR2(B)
      • B(a);N_GUARD::R(A),XR(c)
      • P(h);SBLOCK::R(A)
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