MESON Chess Problem Database

Problem Display
PID: 37603 (1b3R1K/4pB1P/4R3/3ppkP1/5P2/2Q1pNr1/1q1n3N/8 w - - 0 1)

Gorbatenko, Yuri Grigorevich

4th Place, Uralski Skazi, 1992

1b3R1K/4pB1P/4R3/3ppkP1/5P2/2Q1pNr1/1q1n3N/8

#2

10 + 9

3705 Album Russia (1992-1994) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Bg6#
    • 1...Kxf4
      • 2.Bg6#
    • 1...exf4
      • 2.Bg8#
    • 1...e4
      • 2.Bg8#
  • Tries
    • 1.Sd4+?
      • 1...Ke4
        • 2.Bg6#
      • 1...exd4
        • 2.Bg8#
      • 1...Kxf4!
    • 1.Sh4+?
      • 1...Ke4
        • 2.Bg6#
      • 1...Kxf4!
    • 1.Bh5+?
      • 1...Ke4
        • 2.Bg6#
      • 1...Kxe6!
    • 1.Be8+?
      • 1...Ke4
        • 2.Bg6#
      • 1...Kxe6!
    • 1.Rxe5+?
      • 1...Kxf4
        • 2.Bxd5#
        • 2.Bh5#
        • 2.Be6#
        • 2.Bg6#
        • 2.Be8#
        • 2.Bg8#
        • 2.Qxe3#
      • 1...Bxe5+!
    • 1.Rf6+?
      • 1...Ke4
        • 2.Bg6#
      • 1...exf6!
    • 1.Rh6?
      • threat
        • 2.Bxd5#
      • 1...Ke4
        • 2.Bg6#
      • 1...Kxf4
        • 2.Bxd5#
        • 2.Bg6#
      • 1...Se4
        • 2.Be6#
      • 1...d4
        • 2.Bd5#
      • 1...e6
        • 2.Bg6#
      • 1...Qb6!
    • 1.Qd3+?
      • 1...Kxf4
        • 2.Bh5#
        • 2.Bg6#
        • 2.Be8#
        • 2.Bg8#
      • 1...Se4
        • 2.Bg8#
      • 1...e4+!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Bg6#
      • 1...exf4+
        • 2.Re5#
      • 1...e4+
        • 2.Rf6#
      • 1...Ke4
        • 2.Bg6#
      • 1...Kxf4
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(g);P_SPINP(f),S_FLIGHT::B(G)
    • K(g);P-FLIGHT,XP(D)::R(I)+B(G)
    • P(f);P_PINQ(B),SBLOCK,XP(D)::R(I)+B(G)
    • P(f);P_PINQ(B)::R(I)+B(G)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(g);P_SPINP(f),S_FLIGHT::B(G)
        • P(f);XS(C)::R(I)+B(G)
      • Refutation
        • K(g);P-FLIGHT,XP(D)
    • Try
      • S(C);CHECK
      • Vars
        • K(g);P_SPINP(f),S_FLIGHT::B(G)
      • Refutation
        • K(g);P-FLIGHT,XP(D)
    • Try
      • B(G);CHECK
      • Vars
        • K(g);P_SPINP(f),S_FLIGHT::B(G)
      • Refutation
        • K(g);S_FLIGHT,XR(F)
    • Try
      • B(G);CHECK
      • Vars
        • K(g);P_SPINP(f),S_FLIGHT::B(G)
      • Refutation
        • K(g);S_FLIGHT,XR(F)
    • Try
      • R(F);CHECK,XP(f)
      • Refutation
        • B(i);CHECK,XR(F)
    • Try
      • R(F);CHECK
      • Vars
        • K(g);S_FLIGHT::B(G)
      • Refutation
        • P(h);XR(F)
    • Try
      • R(F);
      • Threat
        • R(I)+B(G),XP(e)
      • Vars
        • K(g);S_FLIGHT::B(G)
        • S(b);SBLOCK::R(I)+B(G),DCHECK
        • P(e);::R(I)+B(G)
        • P(h);SBLOCK::R(I)+B(G),DCHECK
      • Refutation
        • Q(a);
    • Try
      • Q(B);CHECK
      • Vars
        • S(b);P_SPINS(b)::R(I)+B(G)
      • Refutation
        • P(f);CHECK,P_SPINP(f)
  • Actual
    • Q(B);
    • Threat
      • R(I)+B(G),DCHECK
    • Vars
      • P(f);CHECK,SBLOCK,XP(D)::QAB(B)+R(F),DCHECK
      • P(f);CHECK,SBLOCK::QAB(B)+R(F),DCHECK
      • K(g);P_SPINP(f),S_FLIGHT::B(G)
      • K(g);P-FLIGHT,XP(D)::R(I)+B(G)
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