MESON Chess Problem Database

Problem Display
PID: 156249 (1K3Bbb/2N1P1n1/3R1RB1/4k1Pp/3pP1r1/3PnQ2/8/8 w - - 0 1)

Kazimov, Islam

Best Problems, 2005

1K3Bbb/2N1P1n1/3R1RB1/4k1Pp/3pP1r1/3PnQ2/8/8

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Qf4#
    • 1...Rg2
      • 2.Qf4#
    • 1...Rg3
      • 2.Qxg3#
      • 2.Qf4#
    • 1...Rxe4
      • 2.Qxe4#
    • 1...Rf4
      • 2.Qxf4#
    • 1...Rxg5
      • 2.Qf4#
  • Tries
    • 1.Bxg7?
      • threat
        • 2.Rfe6#
      • 1...Be6
        • 2.Rdxe6#
        • 2.Rfxe6#
      • 1...Bxg7!
    • 1.Qxe3?
      • threat
        • 2.Qxd4#
      • 1...Rxe4
        • 2.Qxe4#
      • 1...dxe3
        • 2.d4#
      • 1...Se6
        • 2.Rd5#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Sf5!
    • 1.Qg3+?
      • 1...Rf4
        • 2.Qxf4#
      • 1...Rxg3!
  • Keys
    • 1.Rf7!
      • threat
        • 2.Qf6#
      • 1...Kxd6
        • 2.e8Q#
      • 1...Rf4
        • 2.Qxf4#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Sef5
        • 2.Rd5#
      • 1...Sgf5
        • 2.Re6#
      • 1...Se6
        • 2.Rxe6#
      • 1...Se8
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • R(c);N_GUARD::QAB1(B)
    • R(c);OGATE,XP(C)::QAR1(B),XR(c)
    • R(c);N_GUARD::QAB1(B),XR(c)
    • R(c);N_GUARD,XP(D)::QAB1(B)
  • Tries
    • Try
      • B(K);XS(f)
      • Threat
        • B(K)+R(F),DCHECK
      • Refutation
        • B(h);XB(K)
    • Try
      • Q(B);XS(a)
      • Threat
        • QAB1(B),XP(b)
      • Vars
        • R(c);OGATE,P_SPINR(c),XP(C)::QAR1(B),XR(c)
        • P(b);OGATE,XQ(B)::P(A)
        • S(f);S_CUTB(g)::R1(E)
        • B(g);N_GUARD::R1(E),XB(g)
      • Refutation
        • S(f);
    • Try
      • Q(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(B),XR(c)
      • Refutation
        • R(c);XQ(B)
  • Actual
    • R(F);
    • Threat
      • QAB1(B)
    • Vars
      • K(d);S_FLIGHT,XR(E)::P=Q
      • R(c);N_GUARD::QAB1(B),XR(c)
      • S(a);N_GUARD::R1(E),XS(a)
      • S(a);N_GUARD::R1(E)
      • S(f);N_GUARD::R1(E)
      • S(f);N_GUARD::R1(E),XS(f)
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