MESON Chess Problem Database

Problem Display
PID: 142762 (3R4/2p1pK1p/1r2p3/R1NNk1p1/1pP3P1/4B3/8/1B5b w - - 0 1)

Gamza, Grigory Stepanovich

Phenix, 1988

3R4/2p1pK1p/1r2p3/R1NNk1p1/1pP3P1/4B3/8/1B5b

#2

9 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sxb4?
      • threat
        • 2.Sbd3#
      • 1...Rd6
        • 2.Sd7#
      • 1...Be4
        • 2.Scd3#
      • 1...Rxb4!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sfd3#
      • 1...gxf4
        • 2.Bd4#
      • 1...Rd6
        • 2.Sd7#
      • 1...Be4
        • 2.Scd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);XP(b)
      • Threat
        • S(G)
      • Vars
        • R(e);SBLOCK::R(E)+S(F),DCHECK
        • B(a);SBLOCK::R(E)+S(F),DCHECK
      • Refutation
        • R(e);XS(G)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • P(d);SBLOCK,XS(G)::B(B)
      • R(e);SBLOCK::R(E)+S(F),DCHECK
      • B(a);SBLOCK::R(E)+S(F),DCHECK
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