MESON Chess Problem Database

Problem Display
PID: 145690 (nb6/qpp1R3/rp6/r1k2N1Q/p7/P1N5/2B5/1KR5 w - - 0 1)

Kofman, Rafael Moiseevich

6th Comm., Sahs, 1968

nb6/qpp1R3/rp6/r1k2N1Q/p7/P1N5/2B5/1KR5

#2

8 + 10

23 Die Schwalbe 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Re5+?
      • 1...Kc6
        • 2.Qe8#
      • 1...Kc4!
  • Keys
    • 1.Sb5!
      • 1...Rxb5+
        • 2.Bb3#
      • 1...Kc4
        • 2.Se3#
      • 1...Kxb5
        • 2.Bd3#
      • 1...Kd5
        • 2.Be4#
      • 1...Kc6
        • 2.Sfd4#
      • 1...c6
        • 2.Sfd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB(G)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(E);
    • Vars
      • R(b);CHECK,SBLOCK,XS(E)::R(B)+B(C)
      • K(c);P-FLIGHT::S(F)
      • K(c);P-FLIGHT,XS(E)::B(C)
      • K(c);P-FLIGHT::B(C)
      • P(h);SBLOCK::QAR(G)+S(F)
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