MESON Chess Problem Database

Problem Display
PID: 186086 (6RB/1Kp3rp/Q1B2bkN/5N1p/1p1p3P/8/3q2b1/6R1 w - - 0 1)

Bayliss, R Wyke

The Observer, 1932

(First published on Sun Jul 17 1932)

6RB/1Kp3rp/Q1B2bkN/5N1p/1p1p3P/8/3q2b1/6R1

#2

9 + 10

15239 Valois Notebooks 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se7+?
      • 1...Bxe7
        • 2.Be4#
      • 1...Kxh6!
    • 1.Be4?
      • threat
        • 2.Rxg7#
      • 1...Qxh6
        • 2.Sd6#
      • 1...Rxg8
        • 2.Qxf6#
      • 1...c6+!
    • 1.Rxg2+?
      • 1...Qg5
        • 2.Be8#
      • 1...Bg5
        • 2.Be8#
      • 1...Qxg2!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Rxg7#
      • 1...c6+
        • 2.Bf7#
      • 1...Qxh6
        • 2.Se7#
      • 1...Rxg8
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • B(f);XS(C)::QAR(D)+B(E),DCHECK
      • Refutation
        • K(g);N_SPINB(b),N_SPINR(i),P-FLIGHT,XS(F)
    • Try
      • B(E);
      • Threat
        • R1(H),XR(i)
      • Vars
        • Q(a);SBLOCK,XS(F)::B(E)+S(C)
        • R(i);N_SPINR(i),XR(H)::QAR1(D),XB(f)
      • Refutation
        • P(h);CHECK,N_PINB(E)
    • Try
      • R(A);CHECK,N_SPINB(E),XB(b)
      • Vars
        • Q(a);P_SPINQ(a)::B(E)
        • B(f);P_SPINB(f)::QAR(D)+B(E),DCHECK
      • Refutation
        • Q(a);P_PINB(E),XR(A)
  • Actual
    • B(E);
    • Threat
      • R1(H),XR(i)
    • Vars
      • P(h);CHECK,N_PINB(E)::B(E)
      • Q(a);SBLOCK,XS(F)::S(C)
      • R(i);N_SPINR(i),XR(H)::QAR1(D),XB(f)
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