MESON Chess Problem Database

Problem Display
PID: 7084 (3N4/2rqB1p1/bpB1Qn2/3p4/3k1P2/R4P1K/6P1/N1R5 w - - 0 1)

Leroy, Dominique

Het Belgisch Schaakbord (L'Echiquier Belge), 1998

3N4/2rqB1p1/bpB1Qn2/3p4/3k1P2/R4P1K/6P1/N1R5

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc6
      • 2.Qe3#
      • 2.Qe5#
    • 1...Qxe6+
      • 2.Sxe6#
    • 1...Qe8
      • 2.Qe3#
      • 2.Qe5#
    • 1...Qd6
      • 2.Qe3#
    • 1...Qxd8
      • 2.Qe3#
      • 2.Qe5#
    • 1...Bd3
      • 2.Sb3#
    • 1...Bc4
      • 2.Sc2#
    • 1...b5
      • 2.Bc5#
    • 1...g5
      • 2.Bxf6#
    • 1...g6
      • 2.Bxf6#
  • Tries
    • 1.Rcc3?
      • threat
        • 2.Sc2#
      • 1...Qxe6+
        • 2.Sxe6#
      • 1...Bd3!
    • 1.Rc4+?
      • 1...Bxc4
        • 2.Sc2#
      • 1...dxc4
        • 2.Sc2#
      • 1...Kxc4!
    • 1.Rac3?
      • threat
        • 2.Sb3#
      • 1...Qxe6+
        • 2.Sxe6#
      • 1...Bc4!
    • 1.Rd3+?
      • 1...Bxd3
        • 2.Sb3#
      • 1...Kxd3!
    • 1.Qxd7?
      • threat
        • 2.Se6#
      • 1...Rxc6
        • 2.Sxc6#
      • 1...Bd3!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Be5#
      • 1...Qxe6+
        • 2.Sxe6#
      • 1...Qxd6
        • 2.Qe3#
      • 1...Bd3
        • 2.Sb3#
      • 1...Bc4
        • 2.Sc2#
      • 1...Sg4
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(g);CHECK,XQ(I)::S(K),XQ(g)
    • Q(g);N_PINQ(I)::QAB1(I)
    • B(c);SBLOCK::S(A)
    • P(d);N_GUARD::B(J)
    • P(h);N_GUARD::B(J),XS(e)
  • Tries
    • Try
      • R(B);
      • Threat
        • S(A)
      • Vars
        • Q(g);CHECK,XQ(I)::S(K),XQ(g)
      • Refutation
        • B(c);
    • Try
      • R(B);CHECK
      • Vars
        • B(c);SBLOCK,XR(B)::S(A)
        • P(b);XR(B)::S(A)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XR(B)
    • Try
      • R(D);
      • Threat
        • S(A)
      • Vars
        • Q(g);CHECK,XQ(I)::S(K),XQ(g)
      • Refutation
        • B(c);
    • Try
      • R(D);CHECK
      • Vars
        • B(c);SBLOCK,XR(D)::S(A)
      • Refutation
        • K(a);P-FLIGHT,XR(D)
    • Try
      • Q(I);N_SPINQ(I),P_PINP(b),XQ(g)
      • Threat
        • S(K)
      • Vars
        • R(f);XB(H)::S(K),XR(f)
      • Refutation
        • B(c);
  • Actual
    • B(J);
    • Threat
      • B(J)
    • Vars
      • Q(g);CHECK,XQ(I)::S(K),XQ(g)
      • Q(g);N_PINQ(I),XB(J)::QAB1(I)
      • B(c);SBLOCK::S(A)
      • S(e);N_PINQ(I)::QAR1(I),XP(b)
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