MESON Chess Problem Database

Problem Display
PID: 114239 (4R3/8/1BQ5/2P5/4n3/4k3/2K1P2P/4R3 w - - 0 1)

Taraba, Jozef

3rd Comm., Match: Slovakia - Ukraine, 1999

4R3/8/1BQ5/2P5/4n3/4k3/2K1P2P/4R3

#2

8 + 2

14580 Chess Compositions (Taraba) 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rxe4#
      • 2.Qxe4#
  • Tries
    • 1.Bc7?
      • 1...Kd4
        • 2.Rxe4#
      • 1...Kf2!
    • 1.Bd8?
      • 1...Kd4
        • 2.Rxe4#
      • 1...Kf4
        • 2.Qxe4#
      • 1...Kf2!
    • 1.Rf1?
      • threat
        • 2.Rxe4#
        • 2.Qxe4#
      • 1...Kd4
        • 2.Rxe4#
        • 2.Qxe4#
      • 1...Kxe2!
    • 1.Re5?
      • 1...Kd4
        • 2.Rxe4#
        • 2.Qxe4#
      • 1...Kf4
        • 2.Qxe4#
      • 1...Kf2!
    • 1.Qd5?
      • 1...Kf4
        • 2.Rxe4#
      • 1...Kf2!
  • Keys
    • 1.Qg6!
      • 1...Kf2
        • 2.Qg1#
      • 1...Kd4
        • 2.Qxe4#
      • 1...Kf4
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::R1(H),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::R1(H),XS(b)
        • K(a);N_SPINS(b),S_FLIGHT::QAR1(G),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • R(H);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAR1(G),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::R1(H),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(a);N_SPINS(b),S_FLIGHT::QAB1(G)
      • K(a);N_SPINS(b),S_FLIGHT::QAR1(G),XS(b)
      • K(a);N_SPINS(b),S_FLIGHT::R1(H),XS(b)
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