MESON Chess Problem Database

Problem Display
PID: 71241 (b3Q3/pNprP3/p1k1p3/K1PNP3/1R3P2/8/B7/8 w - - 0 1)

Stocchi, Ottavio

Le Probleme, 1947

b3Q3/pNprP3/p1k1p3/K1PNP3/1R3P2/8/B7/8

#2

10 + 7

14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Bb3?
      • 1...exd5
        • 2.Ba4#
      • 1...Bxb7!
    • 1.Rb5?
      • threat
        • 2.Sb4#
        • 2.Sd8#
      • 1...Bxb7
        • 2.Sb4#
      • 1...exd5
        • 2.Sd8#
      • 1...axb5!
  • Keys
    • 1.Rc4!
      • 1...Kxd5
        • 2.Qxd7#
      • 1...Kxb7
        • 2.c6#
      • 1...Bxb7
        • 2.Sb4#
      • 1...exd5
        • 2.Sd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • P(c);SBLOCK,XS(F)::B(A)
      • Refutation
        • B(g);XS(H)
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);XS(H)::S(F)
        • P(c);XS(F)::S(H)
      • Refutation
        • P(a);XR(B)
  • Actual
    • R(B);
    • Vars
      • K(b);N_SPINR(f),S_FLIGHT,XS(F)::QAR2(J),XR(f)
      • K(b);N_SPINR(f),OGATE,S_FLIGHT,XS(H)::P(E)
      • B(g);SBLOCK,XS(H)::S(F)
      • P(c);SBLOCK,XS(F)::S(H)
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