MESON Chess Problem Database

Problem Display
PID: 133868 (K6R/B7/2N1pPQ1/6P1/2rpN3/4PkP1/R4pbP/bB4n1 w - - 0 1)

Taraba, Jozef

Sachove umeni (Ceskoslovensky sach), 1967

K6R/B7/2N1pPQ1/6P1/2rpN3/4PkP1/R4pbP/bB4n1

#2

13 + 8

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Se5#
    • 1...dxe3
      • 2.Qh5#
  • Tries
    • 1.Sd2+?
      • 1...Kxe3
        • 2.Qd3#
      • 1...Kg4
        • 2.Rh4#
        • 2.Qh5#
      • 1...Ke2!
    • 1.Rxf2+?
      • 1...Kg4
        • 2.Se5#
        • 2.Rf4#
        • 2.Rh4#
        • 2.Qh5#
      • 1...Kxe3!
    • 1.Qf5+?
      • 1...Kxe3
        • 2.Qxf2#
        • 2.Qf4#
      • 1...exf5!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qe4#
      • 1...Kxe3
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh5#
      • 1...dxc3
        • 2.Se5#
      • 1...dxe3
        • 2.Se5#
      • 1...d3
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::S(H)
    • P(g);XP(D)::QAB(J)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(e);P-FLIGHT,P_PINS(H),P_SPINP(g),XP(D)::QAR1(J)
      • Refutation
        • K(e);P_PINS(H),S_FLIGHT
    • Try
      • R(B);CHECK,XP(c)
      • Refutation
        • K(e);P-FLIGHT,P_SPINP(g),XP(D)
    • Try
      • Q(J);CHECK
      • Refutation
        • P(h);XQ(J)
  • Actual
    • S(F);
    • Threat
      • QAB1(J)
    • Vars
      • K(e);OGATEB,P-FLIGHT,P_PINS(H),P_SPINP(g),XP(D)::QAR1(J)
      • K(e);P_PINS(H),S_FLIGHT::QAB1(J)
      • P(g);XS(F)::S(H)
      • P(g);XP(D)::S(H)
      • P(g);::S(H)
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