MESON Chess Problem Database

Problem Display
PID: 134273 (1Q6/1PK1B3/5R2/p4p2/1NBPkr2/1n5R/b1pr1P2/b1q5 w - - 0 1)

Ducak, Jan

Kiss, Ivan

Taraba, Jozef

Pravda, 1982

1Q6/1PK1B3/5R2/p4p2/1NBPkr2/1n5R/b1pr1P2/b1q5

#2

10 + 10

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Re6#
    • 1...Sxd4
      • 2.Re3#
  • Tries
    • 1.Kb6?
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Qxf4#
      • 1...Rxd4
        • 2.Re6#
      • 1...Sxd4
        • 2.Re3#
      • 1...Bxd4+!
    • 1.Kc6?
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Qxf4#
      • 1...Rxd4
        • 2.Re6#
      • 1...Bxd4
        • 2.Bd5#
      • 1...Sxd4+!
    • 1.Kd8?
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Qxf4#
      • 1...Bxd4
        • 2.Bd5#
      • 1...Sxd4
        • 2.Re3#
      • 1...Rxd4+!
  • Keys
    • 1.Kc8!
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Qxf4#
      • 1...Rxd4
        • 2.Re6#
      • 1...Bxd4
        • 2.Bd5#
      • 1...Sxd4
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK,XP(E)::R(F)
    • S(f);SBLOCK,XP(E)::R1(B)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Threat
        • QAR1(J)
      • Vars
        • K(g);P-FLIGHT,XP(E)::QAR2(J),XR(h)
        • R(e);SBLOCK,XP(E)::R(F)
        • S(f);SBLOCK,XP(E)::R1(B)
      • Refutation
        • B(a);CHECK,XP(E)
    • Try
      • K(H);P-FLIGHT
      • Threat
        • QAR1(J)
      • Vars
        • K(g);P-FLIGHT,XP(E)::QAR2(J),XR(h)
        • R(e);SBLOCK,XP(E)::R(F)
        • B(a);SBLOCK,XP(E)::B(D)
      • Refutation
        • S(f);CHECK,XP(E)
    • Try
      • K(H);P_SPINP(E),S_FLIGHT
      • Threat
        • QAR1(J)
      • Vars
        • K(g);P-FLIGHT,XP(E)::QAR2(J),XR(h)
        • B(a);SBLOCK,XP(E)::B(D)
        • S(f);SBLOCK,XP(E)::R1(B)
      • Refutation
        • R(e);CHECK,XP(E)
  • Actual
    • K(H);P-FLIGHT
    • Threat
      • QAR1(J)
    • Vars
      • K(g);P-FLIGHT,XP(E)::QAR2(J),XR(h)
      • R(e);SBLOCK,XP(E)::R(F)
      • B(a);SBLOCK,XP(E)::B(D)
      • S(f);SBLOCK,XP(E)::R1(B)
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