MESON Chess Problem Database

Problem Display
PID: 42587 (3R4/5K1B/6P1/2pn3p/R1p1bp2/1Ppk1p2/3P1Q2/N5B1 w - - 0 1)

Maleika, Gerhard

1st Prize, Schweizer Schach-Magazin, 1985

3R4/5K1B/6P1/2pn3p/R1p1bp2/1Ppk1p2/3P1Q2/N5B1

#2

10 + 9

3748 FIDE Album (1983-1985) 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg6+
      • 2.Bxg6#
  • Tries
    • 1.Ra2?
      • threat
        • 2.Qf1#
      • 1...Bxg6+
        • 2.Bxg6#
      • 1...cxd2
        • 2.Qxd2#
      • 1...Bf5
        • 2.Qxf3#
      • 1...c2!
    • 1.g7?
      • threat
        • 2.Rxd5#
      • 1...Bg6+
        • 2.Bxg6#
      • 1...cxd2
        • 2.Qxf3#
      • 1...Bf5
        • 2.Bxf5#
      • 1...Bxh7!
  • Keys
    • 1.Rxc4!
      • threat
        • 2.Rxc3#
      • 1...Bxg6+
        • 2.Bxg6#
      • 1...cxd2
        • 2.Qf1#
      • 1...Bf5
        • 2.Rxd5#
      • 1...c2
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(e);CHECK,OGATE,P_SPINB(e),XP(G)::B(I),XB(e)
  • Tries
    • Try
      • R(F);
      • Threat
        • QAB(D)
      • Vars
        • B(e);CHECK,OGATE,P_SPINB(e),XP(G)::B(I),XB(e)
        • P(a);OGATE,XP(C)::QAR1(D),XP(a)
        • B(e);N_GUARD::QAR2(D),XP(c)
      • Refutation
        • P(a);
    • Try
      • P(G);P_PINB(e)
      • Threat
        • R(J),XS(h)
      • Vars
        • B(e);CHECK,OGATEB::B(I),XB(e)
        • P(a);SBLOCK,XP(C)::QAR2(D),XP(c)
        • B(e);OGATEB::B(I),XB(e)
      • Refutation
        • B(e);N_SPINB(e),XB(I)
  • Actual
    • R(F);XP(d)
    • Threat
      • R1(F),XP(a)
    • Vars
      • B(e);CHECK,OGATE,P_SPINB(e),XP(G)::B(I),XB(e)
      • P(a);SBLOCK,XP(C)::QAB(D)
      • B(e);N_GUARD::R(J),XS(h)
      • P(a);::R1(F)
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