MESON Chess Problem Database

Problem Display
PID: 144155 (b5rb/1kpQ4/8/2pP4/1N6/R2p2p1/1RqpP1K1/r5n1 w - - 0 1)

Way, Charles F

Western Morning News, 1935

(First published on Sat Mar 23 1935)

b5rb/1kpQ4/8/2pP4/1N6/R2p2p1/1RqpP1K1/r5n1

#2

7 + 12

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kb8
      • 2.Sc6#
    • 1...Rg7
      • 2.Sxc2#
    • 1...Rc8
      • 2.Qb5#
    • 1...cxb4
      • 2.Rxb4#
  • Tries
    • 1.Sa6+?
      • 1...Qb3
        • 2.Qxc7#
      • 1...Qxb2
        • 2.Qxc7#
      • 1...Bxb2
        • 2.Qxc7#
      • 1...Ka7!
    • 1.Qc6+?
      • 1...Kb8
        • 2.Qxa8#
      • 1...Kc8!
  • Keys
    • 1.d6!
      • threat
        • 2.Qxc7#
      • 1...Kb6+
        • 2.Sd5#
      • 1...Kb8+
        • 2.Sc6#
      • 1...cxb4
        • 2.Rxb4#
      • 1...Rg7
        • 2.Sxc2#
      • 1...Rc8
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(h);N_SPINP(i),P-FLIGHT,P_PINP(F)::R(A)+S(E),DCHECK
    • R(k);S_CUTB(l)::R(A)+S(E),XQ(c)
    • R(k);SBLOCK::QAR2(G)
    • P(g);N_SPINP(i),OGATE,P_SPINP(g),XS(E)::R(A),XP(g)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • Q(c);P_SPINQ(c)::QAR1(G),XP(i)
        • Q(c);XR(A)::QAR1(G),XP(i)
        • B(l);XR(A)::QAR1(G),XP(i)
      • Refutation
        • K(h);P-FLIGHT,P_PINP(F)
    • Try
      • Q(G);CHECK,N_PINP(i)
      • Vars
        • K(h);OGATE,P-FLIGHT::QAR1(G),XB(j)
      • Refutation
        • K(h);P_SPINP(i),S_FLIGHT
  • Actual
    • P(F);
    • Threat
      • QAR1(G),XP(i)
    • Vars
      • K(h);CHECK,N_SPINP(i),P-FLIGHT::R(A)+S(E),DCHECK
      • P(g);N_SPINP(i),OGATE,P_SPINP(g),XS(E)::R(A),XP(g)
      • R(k);S_CUTB(l)::R(A)+S(E),XQ(c)
      • R(k);SBLOCK::QAR2(G)
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