MESON Chess Problem Database

Problem Display
PID: 144160 (1K6/8/1pPN2B1/b2pkpB1/r7/Q2p3b/4N1Pq/4R3 w - - 0 1)

Way, Charles F

Western Morning News, 1937

(First published on Sat Feb 6 1937)

1K6/8/1pPN2B1/b2pkpB1/r7/Q2p3b/4N1Pq/4R3

#2

9 + 9

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Sd4#
      • 2.Sf4#
    • 1...d4
      • 2.Sc3#
  • Tries
    • 1.Sc3+?
      • 1...Kd4
        • 2.Sb5#
      • 1...Re4!
    • 1.Sxf5?
      • threat
        • 2.Qe7#
      • 1...Ke4+
        • 2.Seg3#
      • 1...Ke6+
        • 2.Sf4#
      • 1...Rxa3
        • 2.Sc3#
      • 1...d4
        • 2.Sc3#
      • 1...Rb4
        • 2.Sed4#
      • 1...Bb4
        • 2.Sc3#
      • 1...Bxf5!
    • 1.Sf7+?
      • 1...Ke6+
        • 2.Sf4#
      • 1...Ke4+!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qe7#
      • 1...Ke4+
        • 2.Sg3#
      • 1...Ke6+
        • 2.Sf4#
      • 1...Rxa3
        • 2.Sec3#
      • 1...d4
        • 2.Sec3#
      • 1...Rb4
        • 2.Sed4#
      • 1...Bb4
        • 2.Sec3#
      • 1...f4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(f);SBLOCK,S_CUTR(d)::R(A)+S(B)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(g);P_PINS(G),S_FLIGHT::S(B)
      • Refutation
        • R(d);P_SPINR(d)
    • Try
      • S(G);XP(h)
      • Threat
        • QAR2(D)
      • Vars
        • K(g);CHECK,P-FLIGHT::R(A)+S(B),DCHECK
        • R(d);N_GUARD,XQ(D)::R(A)+S(B)
        • P(f);S_CUTR(d)::R(A)+S(B)
        • R(d);S_CUTB(e)::R(A)+S(B)
        • B(e);S_CUTR(d)::R(A)+S(B)
      • Refutation
        • B(c);XS(G)
    • Try
      • S(G);CHECK
      • Vars
        • K(g);CHECK,P-FLIGHT::R(A)+S(B),DCHECK
      • Refutation
        • K(g);CHECK,P-FLIGHT,P_SPINP(h)
  • Actual
    • S(G);
    • Threat
      • QAR2(D)
    • Vars
      • K(g);CHECK,P-FLIGHT,P_SPINP(h)::R(A)+S(B),DCHECK
      • K(g);CHECK,P-FLIGHT::R(A)+S(B),DCHECK
      • R(d);N_GUARD,XQ(D)::R(A)+S(B)
      • P(f);S_CUTR(d)::R(A)+S(B)
      • R(d);S_CUTB(e)::R(A)+S(B)
      • B(e);S_CUTR(d)::R(A)+S(B)
      • P(h);::QAB1(D)
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