MESON Chess Problem Database

Problem Display
PID: 44803 (8/p2p1p2/K2P1P1p/2PP3R/pkN1N2Q/R5P1/P2P2p1/6B1 w - - 0 1)

Chepizhni, Viktor Ivanovich

2nd Prize, Udartsev-65 JT, 2000

8/p2p1p2/K2P1P1p/2PP3R/pkN1N2Q/R5P1/P2P2p1/6B1

#2

14 + 7

56 The Problemist 2002
23 Die Schwalbe 2005

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3+?
      • 1...Kxc4
        • 2.d3#
      • 1...axb3!
    • 1.Rd3?
      • 1...Kxc4
        • 2.Rd4#
      • 1...a3!
    • 1.Rf3?
      • 1...Kxc4
        • 2.Sc3#
      • 1...a3!
    • 1.Re5?
      • 1...Kxc4
        • 2.Sg5#
      • 1...h5!
    • 1.Rf5?
      • 1...Kxc4
        • 2.Sg5#
      • 1...h5!
    • 1.c6?
      • 1...Kxc4
        • 2.Sc5#
      • 1...dxc6!
  • Keys
    • 1.Sf2!
      • 1...Kxc5
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(F)::P(C)
      • Refutation
        • P(b);XR(D)
    • Try
      • R(D);
      • Vars
        • K(c);OGATEB,P-FLIGHT,XS(F)::R1(D)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Vars
        • K(c);P-FLIGHT,XS(F)::QAR(H)+S(G)
      • Refutation
        • P(b);
    • Try
      • R(K);
      • Vars
        • K(c);P-FLIGHT,XS(F)::QAR(H)+S(G)
      • Refutation
        • P(d);
    • Try
      • R(K);
      • Vars
        • K(c);P-FLIGHT,XS(F)::QAR(H)+S(G)
      • Refutation
        • P(d);
    • Try
      • P(I);
      • Vars
        • K(c);P-FLIGHT,XS(F)::QAR(H)+S(G)
      • Refutation
        • P(f);XP(I)
  • Actual
    • S(G);
    • Vars
      • K(c);S_FLIGHT,XP(I)::B(A)+S(G),DCHECK
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