MESON Chess Problem Database

Problem Display
PID: 23276 (Bq2r3/1rPN2p1/3R1nP1/1Q4B1/3Nk3/2Pp2p1/1K1R4/1n2b3 w - - 0 1)

Robert, Philippe

3rd Comm., The Problemist, 1997

Bq2r3/1rPN2p1/3R1nP1/1Q4B1/3Nk3/2Pp2p1/1K1R4/1n2b3

#2

11 + 10

5418 FIDE Album (1995-1997) (Annexe) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Rxe6#
    • 1...Rc8
      • 2.Re6#
    • 1...Rd8
      • 2.Re6#
    • 1...Rf8
      • 2.Re6#
    • 1...Rg8
      • 2.Re6#
    • 1...Rh8
      • 2.Re6#
  • Tries
    • 1.Kc1?
      • threat
        • 2.Qxd3#
        • 2.Qf5#
      • 1...Sxd2
        • 2.Qf5#
      • 1...Sxd7
        • 2.Qd5#
        • 2.Qf5#
      • 1...Re5
        • 2.Qxd3#
        • 2.Qxe5#
      • 1...Sd5
        • 2.Qxd3#
        • 2.Qxd5#
      • 1...Bxd2+!
    • 1.Sb6?
      • threat
        • 2.Qf5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Re5
        • 2.Qxd3#
      • 1...Qc8!
    • 1.Bxb7+?
      • 1...Sd5
        • 2.Bxd5#
        • 2.Qxd3#
        • 2.Qxd5#
      • 1...Qxb7!
    • 1.Rb6?
      • threat
        • 2.Qf5#
      • 1...Re5
        • 2.Qxe5#
      • 1...Sd5
        • 2.Qxd3#
      • 1...Sxc3!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Qxd3#
      • 1...Kf3
        • 2.Qf5#
      • 1...Sxd7
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(j);N_GUARD::R(G),XR(j)
    • R(j);N_GUARD::R(G)
  • Tries
    • Try
      • K(A);N_SPINQ(E),S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • S(a);XR(B)::QAB1(E)
      • Refutation
        • B(b);CHECK,XR(B)
    • Try
      • S(J);N_SPINQ(E)
      • Threat
        • QAB1(E)
      • Vars
        • S(f);N_GUARD,N_SPINR(g)::QAB1(E),XS(f)
        • R(j);SBLOCK::QAB1(E),XP(c)
      • Refutation
        • Q(i);
    • Try
      • B(K);CHECK,N_SPINQ(E),XR(g)
      • Refutation
        • Q(i);P_PINQ(E),XB(K)
    • Try
      • R(G);N_SPINQ(E)
      • Threat
        • QAB1(E)
      • Vars
        • R(j);N_GUARD::QAR1(E),XR(j)
        • S(f);N_SPINR(g),SBLOCK::QAB1(E),XP(c)
      • Refutation
        • S(a);XP(C)
  • Actual
    • S(D);N_SPINQ(E)
    • Threat
      • QAB1(E),XP(c)
    • Vars
      • K(e);S_FLIGHT::QAR2(E)
      • S(f);N_GUARD,XS(J)::QAB1(E)
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