MESON Chess Problem Database

Problem Display
PID: 133075 (4b3/2p1R1p1/1Pp1p1pP/4K3/8/2QNk3/2P1P1P1/8 w - - 0 1)

Ferron de la Fuente, Ernesto

Problem Observer, 2005

4b3/2p1R1p1/1Pp1p1pP/4K3/8/2QNk3/2P1P1P1/8

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe2
      • 2.Qe1#
  • Tries
    • 1.Rf7?
      • threat
        • 2.Sc1#
      • 1...Kxe2
        • 2.Qe1#
      • 1...Bxf7!
  • Keys
    • 1.Kxe6!
      • 1...Bd7+
        • 2.Kxd7#
      • 1...Bf7+
        • 2.Kxf7#
      • 1...Kxe2
        • 2.Qe1#
      • 1...Ke4
        • 2.Qe5#
      • 1...cxb6
        • 2.Kd6#
      • 1...gxh6
        • 2.Kf6#
      • 1...c5
        • 2.Kd5#
      • 1...g5
        • 2.Kf5#

This is after

After a problem by G Hume.

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,XP(B)::QAR1(D)
  • Tries
    • Try
      • R(I);
      • Threat
        • QAR(D)+S(E)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(B)::QAR1(D)
      • Refutation
        • B(g);XR(I)
  • Actual
    • K(F);P-FLIGHT,XP(c)
    • Vars
      • B(g);CHECK::R(I)+K(F),XB(g)
      • K(a);OGATEB,P-FLIGHT,XP(B)::QAR1(D)
      • K(a);P-FLIGHT::QAR1(D)
      • P(e);XP(G)::R(I)+K(F)
      • P(f);XP(H)::R(I)+K(F)
      • P(b);::R(I)+K(F)
      • P(d);::R(I)+K(F)
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