MESON Chess Problem Database

Problem Display
PID: 45933 (B7/8/3Qpp2/4nP2/R1N1nkpP/2p5/1N1r1pK1/2B2R2 w - - 0 1)

Taraba, Jozef

10th HM., 01. Tungsram Cup, 1978

B7/8/3Qpp2/4nP2/R1N1nkpP/2p5/1N1r1pK1/2B2R2

#2

10 + 9

5865 Czech Album (1976-1978) 1983
14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Rxf2#
    • 1...Sc5
      • 2.Rxf2#
    • 1...exf5
      • 2.Sd3#
  • Tries
    • 1.Se3?
      • threat
        • 2.Rxe4#
      • 1...Kxe3
        • 2.Rxe4#
      • 1...exf5
        • 2.Sd5#
      • 1...Rd5
        • 2.Rxf2#
      • 1...Rd4!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qxe4#
      • 1...Kxf5
        • 2.Qxe4#
      • 1...exf5
        • 2.Qe3#
      • 1...Sc6
        • 2.Rxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(d);N_GUARD::R(B),XP(b)
    • P(h);SBLOCK,XP(H)::S(C)
  • Tries
    • Try
      • S(F);N_PINR(a),N_PINS(g),P_PINS(d)
      • Threat
        • R1(E),XS(d)
      • Vars
        • K(e);N_SPINP(b),N_SPINS(d),P_SPINR(a),S_FLIGHT,XS(F)::R1(E),XS(d)
        • P(h);N_GUARD,SBLOCK,XP(H)::S(F)
        • R(a);N_GUARD::R(B),XP(b)
      • Refutation
        • R(a);N_SPINS(d),P_SPINS(g)
  • Actual
    • Q(I);N_PINS(g),P_PINS(d)
    • Threat
      • QAR1(I),XS(d)
    • Vars
      • K(e);N_SPINR(a),N_SPINS(d),P-FLIGHT,XP(H)::QAB1(I),XS(d)
      • P(h);SBLOCK,XP(H)::QAB1(I)
      • S(g);N_GUARD::R(B),XP(b)
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