MESON Chess Problem Database

Problem Display
PID: 233422 (5rq1/b1B5/8/1n1NrnR1/4k1p1/1P6/2PP2P1/1BK4Q w - - 0 1)

Gamza, Grigory Stepanovich

Freie Presse, 1991

5rq1/b1B5/8/1n1NrnR1/4k1p1/1P6/2PP2P1/1BK4Q

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Rxg4#
    • 1...Bd4
      • 2.c4#
      • 2.g3#
    • 1...Sd4
      • 2.Rxe5#
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qd3#
      • 1...Kd4
        • 2.Qc4#
      • 1...Kxd5
        • 2.Qc4#
      • 1...Qxd5
        • 2.Rxg4#
      • 1...Rxd5
        • 2.Qf4#
      • 1...Bd4
        • 2.c4#
      • 1...Sbd4
        • 2.Sc3#
      • 1...Sfd4
        • 2.Rxe5#

There are these versions: 233424

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(h);N_GUARD,SBLOCK,XS(H)::R(I),XP(b)
    • S(e);OGATE,SBLOCK::R1(I),XR(d)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);S_FLIGHT,XS(H)::QAB1(C)
      • Q(h);N_GUARD,SBLOCK,XS(H)::R(I),XP(b)
      • R(d);SBLOCK,XS(H)::QAR1(C)
      • B(f);SBLOCK::B(A)+P(D)
      • S(c);N_GUARD,SBLOCK::S(H)
      • S(e);OGATE,SBLOCK::R1(I),XR(d)
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