MESON Chess Problem Database

Problem Display
PID: 102385 (5R2/1pp3kN/6pp/2P2BN1/8/K7/8/1R1b3Q w - - 0 1)

Commandeur, Henri

L'Echiquier de France, 1936

5R2/1pp3kN/6pp/2P2BN1/8/K7/8/1R1b3Q

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...c6
      • 2.Rxb7#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qd7#
        • 2.Qf6#
        • 2.Qxg6#
        • 2.Qxc7#
      • 1...gxf5
        • 2.Qf6#
      • 1...hxg5
        • 2.Qxg6#
      • 1...h5
        • 2.Qxg6#
      • 1...Bb3
        • 2.Qf6#
        • 2.Qxg6#
      • 1...Ba4
        • 2.Qf6#
        • 2.Qxg6#
      • 1...Bh5
        • 2.Qd7#
        • 2.Qf6#
        • 2.Qxc7#
      • 1...bxc6!
    • 1.Qh5?
      • threat
        • 2.Qxg6#
      • 1...gxf5
        • 2.Qf7#
      • 1...gxh5
        • 2.Se6#
      • 1...Bxh5!
  • Keys
    • 1.Rb6!
      • threat
        • 2.Rxg6#
      • 1...gxf5
        • 2.Qxh6#
      • 1...cxb6
        • 2.Qxb7#
      • 1...Bh5
        • 2.Qa1#
      • 1...c6
        • 2.Rxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(e);OGATEB::R(A),XP(d)
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(4)
      • Vars
        • P(b);XB(E)::QAB1(B)
        • P(c);XS(F)::QAR1(B),XP(b)
        • P(c);::QAR1(B),XP(b)
      • Refutation
        • P(d);XQ(B)
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(b)
      • Vars
        • P(b);OGATE,XB(E)::QAR1(B)
        • P(b);XQ(B)::S(F)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • R(A);
    • Threat
      • R1(A),XP(b)
    • Vars
      • P(b);XB(E)::QAB1(B),XP(c)
      • P(e);OGATEB,XR(A)::QAR(B),XP(d)
      • B(a);OGATE::QAB(B)
      • P(e);OGATEB::R(A),XP(d)
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