MESON Chess Problem Database

Problem Display
PID: 99104 (6BQ/N3p2p/1bPrP3/1r1kN3/1p1p3R/3p1p2/4bK2/2R5 w - - 0 1)

Ersek, Tibor

Sakkelet, 1990

6BQ/N3p2p/1bPrP3/1r1kN3/1p1p3R/3p1p2/4bK2/2R5

#2

9 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4?
      • threat
        • 2.Qe5#
      • 1...Kc5
        • 2.Se3#
      • 1...Bxa7!
    • 1.Sg6?
      • threat
        • 2.Sxe7#
        • 2.Qe5#
      • 1...Rxc6
        • 2.Qe5#
      • 1...Rxe6
        • 2.Qe5#
      • 1...Rd7
        • 2.Qe5#
      • 1...Rd8
        • 2.Qe5#
      • 1...Bd8
        • 2.Rxd4#
        • 2.Qxd4#
        • 2.Qe5#
      • 1...hxg6!
    • 1.Sf7?
      • threat
        • 2.Qe5#
      • 1...Kxe6
        • 2.Sh6#
      • 1...Rxe6!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(I)
      • Vars
        • K(g);P-FLIGHT::R(A)+S(D)
      • Refutation
        • B(h);XS(G)
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(i);XP(E)::QAR1(I)
        • R(i);P_SPINR(i),XP(F)::QAR1(I)
        • R(i);::QAR1(I)
      • Refutation
        • P(k);XS(D)
    • Try
      • S(D);
      • Threat
        • QAR1(I)
      • Vars
        • K(g);S_FLIGHT,XP(F)::B(H)+S(D)
      • Refutation
        • R(i);XP(F)
  • Actual
    • S(D);
    • Threat
      • QAR1(I)
    • Vars
      • K(g);S_FLIGHT::R(C)+S(D)
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