MESON Chess Problem Database

Problem Display
PID: 133873 (2n1K3/4bQ1N/2Rp1ppR/2p1k3/5p2/1p1PP3/1N6/B7 w - - 0 1)

Taraba, Jozef

3rd Prize, Pravda, 1969

2n1K3/4bQ1N/2Rp1ppR/2p1k3/5p2/1p1PP3/1N6/B7

#2

9 + 9

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qe6#
    • 1...f5
      • 2.Sc4#
  • Tries
    • 1.Rxc5+?
      • 1...d5
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...dxc5!
    • 1.Qc4?
      • threat
        • 2.Qe4#
      • 1...d5
        • 2.Qxf4#
      • 1...f5
        • 2.exf4#
      • 1...Kf5!
  • Keys
    • 1.Qxg6!
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Qe4#
      • 1...Ke6
        • 2.Qe4#
      • 1...d5
        • 2.Sc4#
      • 1...f5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(e);::QAR1(G)
    • P(f);::B(A)+S(B),DCHECK
  • Tries
    • Try
      • R(E);CHECK,XP(c)
      • Refutation
        • P(e);XR(E)
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • P(e);SBLOCK::QAB1(G),XP(b)
        • P(f);SBLOCK::P(D),XP(b)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • Q(G);XP(g)
    • Threat
      • QAR1(G)
    • Vars
      • K(d);P-FLIGHT::QAB1(G)
      • K(d);P-FLIGHT,P_SPINP(e)::QAR2(G)
      • P(e);SBLOCK::B(A)+S(B),DCHECK
      • P(f);OGATE::QAR1(G)
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