MESON Chess Problem Database

Problem Display
PID: 277055 (Q1R3b1/8/1p6/1K3p2/1N1k3n/3N1r2/1R3P2/7B w - - 0 1)

Loustau, Jean-Marc

Phenix, 2005

Q1R3b1/8/1p6/1K3p2/1N1k3n/3N1r2/1R3P2/7B

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4+
      • 2.Rxc4#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Bh7
      • 2.Rc4#
      • 2.Qd5#
  • Tries
    • 1.Rd2?
      • threat
        • 2.Sc2#
      • 1...Bc4+
        • 2.Rxc4#
      • 1...Rxd3
        • 2.Qa1#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bb3!
    • 1.Re2?
      • threat
        • 2.Qa1#
      • 1...Bc4+
        • 2.Rxc4#
      • 1...Rxd3
        • 2.Sc2#
      • 1...Ba2!
    • 1.Qxf3?
      • threat
        • 2.Sc2#
        • 2.Qe3#
        • 2.Qf4#
      • 1...Bc4+
        • 2.Rxc4#
      • 1...Bb3
        • 2.Qe3#
        • 2.Qf4#
      • 1...Bd5
        • 2.Sc2#
        • 2.Qxd5#
        • 2.Qe3#
      • 1...Sg2
        • 2.Sc2#
      • 1...Sg6
        • 2.Sc2#
        • 2.Qe3#
      • 1...f4
        • 2.Sc2#
        • 2.Qe4#
        • 2.Qxf4#
      • 1...Sxf3!
    • 1.Qb8?
      • threat
        • 2.Qe5#
      • 1...Bc4+
        • 2.Rxc4#
      • 1...Ke4
        • 2.Qf4#
        • 2.Qe5#
      • 1...Rxd3
        • 2.Sc2#
        • 2.Qf4#
      • 1...Re3
        • 2.Qxb6#
      • 1...Sg6!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Re2#
      • 1...Bc4+
        • 2.Rxc4#
      • 1...Ke4
        • 2.Re2#
      • 1...Rxd3
        • 2.Rd2#

This is after

After Y. Rossomakho.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(f);CHECK,N_GUARD::R1(H),XB(f)
    • B(f);N_GUARD::QAR1(G),XB(f)
  • Tries
    • Try
      • R(B);
      • Threat
        • S(E)
      • Vars
        • B(f);CHECK,N_GUARD::R1(H),XB(f)
        • R(a);P_SPINR(a),XS(D)::QAB(G)
        • B(f);N_GUARD::QAR1(G),XB(f)
      • Refutation
        • B(f);
    • Try
      • R(B);
      • Threat
        • QAB(G)
      • Vars
        • B(f);CHECK,N_GUARD::R1(H),XB(f)
        • R(a);SBLOCK,XS(D)::S(E)
      • Refutation
        • B(f);
    • Try
      • Q(G);XR(a)
      • Threat
        • DUALS(3)
      • Vars
        • B(f);CHECK,N_GUARD::R1(H),XB(f)
        • S(c);::S(E)
      • Refutation
        • S(c);XQ(G)
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • B(f);CHECK,N_GUARD::R1(H),XB(f)
        • R(a);::QAB(G),XP(e)
      • Refutation
        • S(c);
  • Actual
    • Q(G);
    • Threat
      • QAB(G)+R(B)
    • Vars
      • B(f);CHECK,N_GUARD::R1(H),XB(f)
      • K(b);P-FLIGHT,P_SPINR(a)::R(B)
      • R(a);XS(D)::QAB(G)+R(B)
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