MESON Chess Problem Database

Problem Display
PID: 116151 (2r5/3B4/1N1Bp3/4p1R1/3nk2P/1N2p3/6P1/3Q3K w - - 0 1)

Goldschmidt, Josef

Basha'ar, 1949

2r5/3B4/1N1Bp3/4p1R1/3nk2P/1N2p3/6P1/3Q3K

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qg4#
      • 2.Qxd4#
    • 1...Sf5
      • 2.Rg4#
  • Tries
    • 1.Sc5+?
      • 1...Kf4
        • 2.Bxe5#
        • 2.Qg4#
        • 2.Qxd4#
        • 2.g3#
      • 1...Rxc5!
    • 1.Qd3+?
      • 1...Kf4
        • 2.Bxe5#
        • 2.Qxd4#
      • 1...Kxd3!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rxe5#
      • 1...Kxd5
        • 2.Qxd4#
      • 1...exd5
        • 2.Rg4#
      • 1...Sf3
        • 2.gxf3#
      • 1...Sf5
        • 2.Rg4#
      • 1...Sc6
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::R(F)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • R(f);XS(D)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
  • Actual
    • S(G);
    • Threat
      • R1(F),XP(d)
    • Vars
      • K(c);P_SPINP(d),P_SPINS(b),S_FLIGHT,XS(G)::QAR1(A),XS(b)
      • P(e);SBLOCK,XS(G)::R(F)
      • S(b);OGATE::P(C),XS(b)
      • S(b);SBLOCK::R(F)
      • S(b);S_CUTR(f)::S(D)
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