MESON Chess Problem Database

Problem Display
PID: 22766 (1brq4/2pb4/1R2p3/pN6/1k6/N1R3Bp/1nB4K/8 w - - 0 1)

Wainwright, Joseph CJ

Les Tours de Force sur l'Echiquier, 1902

1brq4/2pb4/1R2p3/pN6/1k6/N1R3Bp/1nB4K/8

#2

7 + 10

15 British Chess Magazine 1902
2794 Terms & Themes of Chess Problems 1907
5064 100 Years of the American Two-move Chess Problem 1962

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rc4#
    • 1...Sd3
      • 2.Rc4#
    • 1...Sa4
      • 2.Rc4#
    • 1...Sc4
      • 2.Rxc4#
  • Tries
    • 1.Rb3+?
      • 1...Ka4
        • 2.Sc3#
        • 2.Rxb2#
      • 1...Kc5!
  • Keys
    • 1.Be1!
      • threat
        • 2.Rc4#
        • 2.Rcc6#
        • 2.Rxc7#
      • 1...cxb6+
        • 2.Rc7#
      • 1...c5+
        • 2.Rg3#
      • 1...c6+
        • 2.Sc7#
      • 1...Bxb5
        • 2.Rxb5#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Qh4
        • 2.Rc4#
      • 1...Qg5
        • 2.Rc4#
      • 1...Qf6
        • 2.Rc4#
      • 1...Qh8
        • 2.Rc4#
      • 1...Bc6
        • 2.Rc4#
      • 1...Be8
        • 2.Rc4#
      • 1...Sd1
        • 2.Rc4#
      • 1...Sd3
        • 2.Rc4#
      • 1...Sa4
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::R1(D)
    • S(a);N_GUARD::R1(D),XS(a)
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(E);
    • Threat
      • DUALS(3)
    • Vars
      • P(f);CHECK,XR(G)::B(E)+R(D)
      • P(f);CHECK,SBLOCK::B(E)+R(D)
      • P(f);CHECK,S_CUTB(g)::R(G)+S(F)
      • B(g);OGATE,P_SPINB(g),XS(F)::R1(G),XB(g)
      • S(a);::B(E)+R(D),DCHECK,XS(a)
      • Q(j);::B(E)+R(D),DCHECK
      • B(g);::B(E)+R(D),DCHECK
      • S(a);::B(E)+R(D),DCHECK
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