MESON Chess Problem Database

Problem Display
PID: 272730 (8/8/3p3B/2pP1R2/2Pp3p/1P1kP2P/2p1N2R/2K4B w - - 0 1)

Labai, Zoltan

Mosiashvili-75 JT (Kudesnik), 2023

8/8/3p3B/2pP1R2/2Pp3p/1P1kP2P/2p1N2R/2K4B

#2

11 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4+?
      • 1...Kxe3
        • 2.Re2#
      • 1...Kc3!
    • 1.Bg7?
      • 1...dxe3
        • 2.Sf4#
      • 1...Kxe3!
    • 1.Rf3?
      • 1...dxe3
        • 2.Rxe3#
      • 1...Ke4!
    • 1.Rg5?
      • 1...Kxe3
        • 2.Rg3#
      • 1...dxe3!
  • Keys
    • 1.Rf4!
      • 1...Kxe3
        • 2.Rxd4#
      • 1...dxe3
        • 2.Be4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT,XP(F)::R1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(K);
      • Vars
        • P(c);SBLOCK,XP(F)::S(C)
      • Refutation
        • K(b);P-FLIGHT,XP(F)
    • Try
      • R(J);
      • Vars
        • P(c);OGATE,P_SPINP(c),XP(F)::R1(J),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(F)::B(K)+R(J),DCHECK
      • Refutation
        • P(c);XP(F)
  • Actual
    • R(J);
    • Vars
      • K(b);P-FLIGHT,S_CUTP(e),XP(F)::B(K)+R(J),XP(c)
      • P(c);SBLOCK,XP(F)::B(B)
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