MESON Chess Problem Database

Problem Display
PID: 153453 (2B3Q1/1K1N4/2P5/2P2r1p/2pPk2p/4P1b1/4Pp2/3N4 w - - 0 1)

Gamza, Grigory Stepanovich

4th HM., Wola Gulowska, 1995

2B3Q1/1K1N4/2P5/2P2r1p/2pPk2p/4P1b1/4Pp2/3N4

#2

10 + 7

15345 Wola Gulowska Award 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Qe6#
    • 1...Rxc5
      • 2.Sxc5#
      • 2.Sf6#
    • 1...Rd5
      • 2.Sf6#
    • 1...Re5
      • 2.Sf6#
    • 1...Rg5
      • 2.Sf6#
    • 1...Rf6
      • 2.Sxf6#
    • 1...Bf4
      • 2.Qg2#
  • Tries
    • 1.Qd5+?
      • 1...Rxd5
        • 2.Sf6#
      • 1...Kxd5!
    • 1.Qe6+?
      • 1...Re5
        • 2.Sf6#
      • 1...Be5!
    • 1.Qg4+?
      • 1...Kd5
        • 2.Sb6#
      • 1...Rf4
        • 2.Sf6#
        • 2.Qe6#
      • 1...Bf4
        • 2.Qf3#
        • 2.Qg2#
      • 1...hxg4!
    • 1.Qg6?
      • threat
        • 2.Sf6#
      • 1...Kd5
        • 2.Sc3#
      • 1...Be5!
    • 1.Qe8+?
      • 1...Kd5
        • 2.Sc3#
        • 2.Sb6#
      • 1...Re5
        • 2.Sf6#
      • 1...Be5!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Sf6#
      • 1...Rxg5
        • 2.Sf6#
      • 1...Rf4
        • 2.Qe5#
      • 1...Bf4
        • 2.Qg2#
      • 1...c3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(f);N_GUARD,S_CUTB(b)::QAR2(J)
    • R(f);N_GUARD::S(H)
    • R(f);N_GUARD::S(H),XR(f)
    • B(b);OGATE::QAB(J)
  • Tries
    • Try
      • Q(J);CHECK
      • Vars
        • R(f);XQ(J)::S(H)
      • Refutation
        • K(d);S_FLIGHT,XQ(J)
    • Try
      • Q(J);CHECK
      • Vars
        • R(f);P_SPINR(f)::S(H)
      • Refutation
        • B(b);P_SPINB(b)
    • Try
      • Q(J);CHECK
      • Vars
        • K(d);S_FLIGHT::S(H)
      • Refutation
        • P(g);XQ(J)
    • Try
      • Q(J);P_PINR(f)
      • Threat
        • S(H)
      • Vars
        • K(d);N_SPINR(f),S_FLIGHT::S(A)
      • Refutation
        • B(b);
    • Try
      • Q(J);CHECK
      • Vars
        • R(f);P_SPINR(f)::S(H)
      • Refutation
        • B(b);P_SPINB(b)
  • Actual
    • Q(J);
    • Threat
      • S(A)
    • Vars
      • K(d);P_SPINR(f),S_FLIGHT::S(H)
      • R(f);N_GUARD,XQ(J)::S(H)
      • R(f);OGATE::QAR1(J)
      • B(b);OGATE::QAB(J)
      • P(c);::S(A),XP(c)
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