MESON Chess Problem Database

Problem Display
PID: 6270 (8/8/p2p4/1k1B1p1K/N1R5/1b6/3B4/nQ6 w - - 0 1)

Mansfield, Comins

Evening News (Cardiff), 1928

8/8/p2p4/1k1B1p1K/N1R5/1b6/3B4/nQ6

#2

6 + 6

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Rc5+?
      • 1...Kxa4
        • 2.Ra5#
      • 1...dxc5!
    • 1.Qf1?
      • threat
        • 2.Bc6#
      • 1...Bxa4
        • 2.Rc6#
      • 1...Bxc4
        • 2.Qxc4#
      • 1...a5
        • 2.Rb4#
      • 1...Bd1+!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Bc6#
      • 1...Bd1+
        • 2.Rg4#
      • 1...Bxa4
        • 2.Rc6#
      • 1...Bxc4
        • 2.Qxc4#
      • 1...a5
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);N_SPINB(b),OGATE,S_FLIGHT,XS(C)::R1(D)
      • Refutation
        • P(f);XR(D)
    • Try
      • Q(A);N_PINB(b)
      • Threat
        • B(E)
      • Vars
        • B(b);N_GUARD,SBLOCK,XS(C)::QAB(A)+R(D)
        • B(b);OGATE,P_SPINB(b),XR(D)::QAB1(A),XB(b)
        • P(e);SBLOCK::QAB(A)+R(D),DCHECK
      • Refutation
        • B(b);CHECK
  • Actual
    • Q(A);N_PINB(b)
    • Threat
      • B(E)
    • Vars
      • B(b);CHECK,N_GUARD::QAB(A)+R(D)
      • B(b);N_GUARD,SBLOCK,XS(C)::QAB(A)+R(D)
      • B(b);OGATE,P_SPINB(b),XR(D)::QAB1(A),XB(b)
      • P(e);SBLOCK::QAB(A)+R(D),DCHECK
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Developed and maintained by Brian Stephenson.
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