MESON Chess Problem Database

Problem Display
PID: 40293 (4B1K1/rn6/1P1kP2p/P2b2NR/1ppQ4/8/3N4/3R4 w - - 0 1)

Lindner, Laszlo

2nd Prize, Bulletin Ouvrier des Echecs, 1937

4B1K1/rn6/1P1kP2p/P2b2NR/1ppQ4/8/3N4/3R4

#2

10 + 7

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Kf8?
      • threat
        • 2.Sxc4#
        • 2.Sde4#
      • 1...Sxa5
        • 2.Sde4#
      • 1...Sc5
        • 2.Sxc4#
        • 2.Qf4#
      • 1...c3
        • 2.Sc4#
        • 2.Sde4#
      • 1...hxg5!
    • 1.Sge4+?
      • 1...Kxe6
        • 2.Re5#
        • 2.Qe5#
        • 2.Qf6#
      • 1...Ke7!
    • 1.Sf7+?
      • 1...Kxe6
        • 2.Qe5#
      • 1...Ke7!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Sde4#
      • 1...Bxe6+
        • 2.Sf7#
      • 1...Kc5
        • 2.Sge4#
      • 1...Be4
        • 2.Sdxe4#
        • 2.Sgxe4#
        • 2.Sf7#
      • 1...Sc5
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(J);N_SPINP(H),P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • S(g);XP(D)::S(B)
      • Refutation
        • P(e);XS(E)
    • Try
      • S(E);CHECK
      • Refutation
        • K(d);N_SPINB(c),S_FLIGHT
    • Try
      • S(E);CHECK,N_SPINP(H)
      • Vars
        • K(d);N_SPINB(c),P-FLIGHT,XP(H)::QAR1(C)
      • Refutation
        • K(d);N_SPINB(c),S_FLIGHT
  • Actual
    • Q(C);N_PINB(c)
    • Threat
      • S(B)
    • Vars
      • B(c);CHECK,P_SPINB(c),XP(H)::S(E)
      • K(d);S_FLIGHT::S(E)
      • S(g);SBLOCK::S(B),XP(b)
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