MESON Chess Problem Database

Problem Display
PID: 40197 (4R2K/bPPk4/2p1pBQN/1n6/b2pp3/p1p2B1p/7q/8 w - - 0 1)

Lindner, Laszlo

2/3 HM., Magyar Sakkvilag, 1939

4R2K/bPPk4/2p1pBQN/1n6/b2pp3/p1p2B1p/7q/8

#2

8 + 12

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.c8Q#
    • 1...Sd6
      • 2.Re7#
    • 1...Sxc7
      • 2.Rd8#
  • Tries
    • 1.Sf7?
      • threat
        • 2.Re7#
        • 2.c8Q#
      • 1...Kxe8
        • 2.c8Q#
      • 1...Qxc7
        • 2.Re7#
      • 1...Sxc7
        • 2.Re7#
        • 2.Rd8#
      • 1...c5
        • 2.c8Q#
      • 1...Qd6
        • 2.c8Q#
      • 1...Bc5
        • 2.c8Q#
      • 1...Sd6
        • 2.Re7#
      • 1...Kxc7!
    • 1.Qh7+?
      • 1...Kxe8
        • 2.Qe7#
        • 2.Qf7#
        • 2.c8Q#
        • 2.c8R#
      • 1...Kd6!
    • 1.Qg7+?
      • 1...Kxe8
        • 2.Bh5#
        • 2.Qe7#
        • 2.Qf7#
        • 2.c8Q#
        • 2.c8R#
      • 1...Kd6!
  • Keys
    • 1.Qxe4!
      • threat
        • 2.Qxc6#
      • 1...Kd6
        • 2.Qxc6#
      • 1...Kxc7
        • 2.Qxc6#
      • 1...Kxe8
        • 2.c8Q#
      • 1...Qxc7
        • 2.Qxe6#
      • 1...Sxc7
        • 2.Rd8#
      • 1...Qd6
        • 2.c8Q#
      • 1...Sd6
        • 2.Re7#
      • 1...c5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(a);SBLOCK::P=Q
    • S(h);SBLOCK::R1(G)
    • S(h);SBLOCK,XP(F)::R1(G)
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(l);S_FLIGHT,XR(G)::P=Q
        • Q(a);SBLOCK,XP(F)::R1(G)
        • P(i);::P=Q
        • Q(a);::P=Q
        • B(k);::P=Q
        • S(h);::R1(G)
      • Refutation
        • K(l);P-FLIGHT,XP(F)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(l);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(l);P-FLIGHT
  • Actual
    • Q(C);XP(g)
    • Threat
      • QAB1(C),XP(i)
    • Vars
      • K(l);P-FLIGHT::QAR1(C),XP(i)
      • K(l);P-FLIGHT,XP(F)::QAR1(C),XP(i)
      • K(l);P_SPINP(j),S_FLIGHT,XR(G)::P=Q
      • Q(a);SBLOCK,XP(F)::QAB1(C),XP(j)
      • S(h);SBLOCK,XP(F)::R1(G)
      • Q(a);SBLOCK::P=Q
      • S(h);SBLOCK::R1(G)
      • P(i);::QAB1(C)
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