MESON Chess Problem Database

Problem Display
PID: 40316 (2KQ1q2/2B2N2/2k2P2/5R2/8/8/8/8 w - - 0 1)

Fuchs, Georges Matthieu

Lindner, Laszlo

Seneca, Camil

The Problemist, 1935

2KQ1q2/2B2N2/2k2P2/5R2/8/8/8/8

#2

6 + 2

4080 Mattbilder eines Lebens 1996
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qa3
      • 2.Qd5#
      • 2.Qd7#
      • 2.Qe8#
    • 1...Qb4
      • 2.Qd5#
      • 2.Qd7#
      • 2.Qe8#
    • 1...Qc5
      • 2.Qd7#
      • 2.Qe8#
    • 1...Qd6
      • 2.Qxd6#
    • 1...Qh6
      • 2.Qd5#
      • 2.Qd6#
      • 2.Qd7#
      • 2.Qe8#
    • 1...Qe7
      • 2.Qd5#
    • 1...Qg7
      • 2.Qd5#
      • 2.Qd6#
      • 2.Qd7#
      • 2.Qe8#
    • 1...Qxf7
      • 2.Qd6#
    • 1...Qxd8+
      • 2.Sxd8#
    • 1...Qe8
      • 2.Qxe8#
  • Tries
    • 1.Bd6?
      • threat
        • 2.Rc5#
      • 1...Qxd6
        • 2.Qxd6#
      • 1...Qxd8+!
    • 1.Rc5+?
      • 1...Qxc5
        • 2.Qd7#
      • 1...Kxc5!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Se5#
      • 1...Qxd8+
        • 2.Sxd8#
      • 1...Qxf7
        • 2.Qd6#
      • 1...Qc5
        • 2.Qd7#
      • 1...Qd6
        • 2.Qxd6#
      • 1...Qe7
        • 2.Qd5#
      • 1...Qe8
        • 2.Qxe8#

This anticipates 17414(1946)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(b);N_PINQ(F)::QAR1(F),XQ(b)
    • Q(b);N_PINQ(F)::QAB1(F)
    • Q(b);N_PINQ(F),XS(D)::QAR1(F)
    • Q(b);CHECK,XQ(F)::S(D),XQ(b)
    • Q(b);N_GUARD::QAB(F),XQ(b)
  • Tries
    • Try
      • B(C);
      • Threat
        • R1(A)
      • Vars
        • Q(b);N_PINQ(F),XB(C)::QAR1(F),XQ(b)
      • Refutation
        • Q(b);CHECK,XQ(F)
    • Try
      • R(A);CHECK
      • Vars
        • Q(b);N_PINQ(F),SBLOCK,XR(A)::QAB1(F)
      • Refutation
        • K(a);P-FLIGHT,XR(A)
  • Actual
    • R(A);
    • Threat
      • S(D)
    • Vars
      • Q(b);CHECK,XQ(F)::S(D),XQ(b)
      • Q(b);N_PINQ(F),XS(D)::QAR1(F)
      • Q(b);N_PINQ(F)::QAB1(F)
      • Q(b);N_PINQ(F)::QAR1(F),XQ(b)
      • Q(b);N_GUARD::QAB(F),XQ(b)
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