MESON Chess Problem Database

Problem Display
PID: 71385 (bR3b2/1P4p1/P1Np2K1/Ppk5/rn1p4/B2P2N1/6Q1/8 w - - 0 1)

Bouttier, Pierre

L'Echiquier de Paris, 1954

bR3b2/1P4p1/P1Np2K1/Ppk5/rn1p4/B2P2N1/6Q1/8

#2

10 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sxb4?
      • threat
        • 2.Se4#
        • 2.Rc8#
        • 2.Qd5#
        • 2.Qc6#
        • 2.Qc2#
      • 1...Rxb4
        • 2.Rc8#
      • 1...Rxa5
        • 2.Qc6#
      • 1...Bxb7
        • 2.Qc2#
      • 1...d5
        • 2.Qxd5#
      • 1...Rxa3!
    • 1.Sd8?
      • threat
        • 2.Se6#
        • 2.Rc8#
        • 2.Qc6#
      • 1...Rxa3
        • 2.Se6#
      • 1...Rxa5
        • 2.Qc6#
      • 1...Bxb7
        • 2.Se6#
        • 2.Sxb7#
      • 1...d5!
  • Keys
    • 1.Se7!
      • threat
        • 2.Se4#
        • 2.Rc8#
        • 2.Qd5#
        • 2.Qc6#
        • 2.Qc2#
      • 1...Rxa3
        • 2.Se4#
      • 1...Rxa5
        • 2.Qc6#
      • 1...Bxb7
        • 2.Qc2#
      • 1...Bxe7
        • 2.Rc8#
      • 1...d5
        • 2.Qxd5#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);XS(b)
      • Threat
        • DUALS(5)
      • Vars
        • R(a);P_SPINR(a),XS(G)::R(J)
        • R(a);XP(E)::QAR1(A)
        • B(h);XP(I)::QAR(A)
        • P(f);::QAR1(A),XP(f)
      • Refutation
        • R(a);XB(B)
    • Try
      • S(G);
      • Threat
        • DUALS(3)
      • Vars
        • R(a);N_SPINS(b),XB(B)::S(G)
        • R(a);XP(E)::QAR1(A)
      • Refutation
        • P(f);
  • Actual
    • S(G);
    • Threat
      • DUALS(5)
    • Vars
      • R(a);N_SPINS(b),XB(B)::S(D)
      • R(a);XP(E)::QAR1(A)
      • B(h);XP(I)::QAR(A)
      • B(i);XS(G)::R(J)
      • P(f);::QAR1(A),XP(f)
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