MESON Chess Problem Database

Problem Display
PID: 50092 (1b6/3p4/1p1N2K1/4k1NR/Q3P1P1/B6P/p1P2P2/q1r5 w - - 0 1)

Maleika, Gerhard

Skakbladet, 2003

1b6/3p4/1p1N2K1/4k1NR/Q3P1P1/B6P/p1P2P2/q1r5

#2

11 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3+?
      • 1...Kf4
        • 2.Rf5#
      • 1...Ke6!
    • 1.Sgf7+?
      • 1...Kf4
        • 2.Rf5#
      • 1...Ke6!
    • 1.Sh7+?
      • 1...Kf4
        • 2.Rf5#
      • 1...Ke6!
    • 1.Qb3?
      • threat
        • 2.Se6#
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Bxd6!
    • 1.Qb5+?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd4!
  • Keys
    • 1.Qxd7!
      • threat
        • 2.Se6#
      • 1...Kd4
        • 2.Qg7#
      • 1...Kf4
        • 2.Qf5#
      • 1...Bxd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(d);S_FLIGHT::R1(I)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(H);CHECK
      • Vars
        • K(d);S_FLIGHT::R1(I)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(H);CHECK
      • Vars
        • K(d);S_FLIGHT::R1(I)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(E);
      • Threat
        • R(I)+S(H)
      • Vars
        • K(d);S_FLIGHT::S(H)
        • K(d);S_FLIGHT::QAB1(E)
      • Refutation
        • B(g);XS(J)
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(E)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(E);XP(f)
    • Threat
      • R(I)+S(H)
    • Vars
      • K(d);S_FLIGHT::QAB(E)
      • K(d);S_FLIGHT::QAR1(E)
      • B(g);OGATE,XS(J)::QAB1(E),XB(g)
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