MESON Chess Problem Database

Problem Display
PID: 255845 (7n/3p2Q1/3Bp3/8/1P1PPN2/3NkB2/1P2pR1P/1nKbR3 w - - 0 1)

Sukhitashvili, Sergey Nikolaevich

1st Prize, Skakbladet, 1981

7n/3p2Q1/3Bp3/8/1P1PPN2/3NkB2/1P2pR1P/1nKbR3

#2

13 + 7

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Rexe2#
    • 1...Bb3
      • 2.Rexe2#
    • 1...Ba4
      • 2.Rexe2#
  • Tries
    • 1.Rfxe2+?
      • 1...Kxf3
        • 2.Rf1#
        • 2.Rf2#
        • 2.Re3#
        • 2.Qg2#
        • 2.Qg3#
      • 1...Bxe2!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sg4#
      • 1...Kxf2
        • 2.Qg1#
      • 1...Kxd4
        • 2.Bc5#
      • 1...Kxf4
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(b);N_GUARD::R1(B),XP(c)
  • Tries
    • Try
      • R(D);CHECK,XP(c)
      • Refutation
        • B(b);P_SPINB(b),XR(D)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XR(D)::QAB1(M)
      • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XP(I)::B(L)
      • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XS(K)::QAB(M)
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