MESON Chess Problem Database

Problem Display
PID: 200431 (3b4/8/Kp5B/1P2P3/2kp1NR1/1p1N2p1/1P1p3p/5Q2 w - - 0 1)

Libis, Zdenek

Sachova skladba, 1999

3b4/8/Kp5B/1P2P3/2kp1NR1/1p1N2p1/1P1p3p/5Q2

#2

9 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Se3#
      • 1...Kxd5
        • 2.Qf7#
      • 1...Bg5
        • 2.Sxb6#
      • 1...d1S!
    • 1.Qh1?
      • threat
        • 2.Qd5#
        • 2.Qc6#
      • 1...Be7
        • 2.Qd5#
      • 1...g2!
  • Keys
    • 1.Se2!
      • threat
        • 2.Rxd4#
      • 1...Kxd3
        • 2.Sxd4#
      • 1...Kd5
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);P_PINP(f)
      • Threat
        • S(D)
      • Vars
        • K(e);N_SPINP(f),OGATEB,S_FLIGHT,XS(D)::QAB(A)
        • B(h);N_GUARD::S(D),XP(g)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(h);::QAB1(A)
      • Refutation
        • P(d);
  • Actual
    • S(D);P_PINP(f)
    • Threat
      • R1(E),XP(f)
    • Vars
      • K(e);N_SPINP(f),S_FLIGHT,XS(C)::QAB(A)+S(D),XP(f)
      • K(e);N_SPINP(f),S_FLIGHT::QAB(A)
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