MESON Chess Problem Database

Problem Display
PID: 165108 (b6R/2N1B3/8/R2Pk1K1/1N6/4pP2/2p5/r2q1Q2 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Novi Temi, 1981

b6R/2N1B3/8/R2Pk1K1/1N6/4pP2/2p5/r2q1Q2

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bf6#
    • 1...Qe2
      • 2.Qxa1#
    • 1...Qxd5
      • 2.Qxa1#
    • 1...Bxd5
      • 2.Sc6#
    • 1...Bc6
      • 2.Sxc6#
  • Tries
    • 1.Bd6+?
      • 1...Kd4
        • 2.Sb5#
      • 1...Kxd6!
    • 1.Rh4?
      • threat
        • 2.Re4#
      • 1...Qxf3
        • 2.Sd3#
        • 2.Qxa1#
      • 1...Qd3
        • 2.Sxd3#
      • 1...Qd4!
    • 1.Rd8?
      • threat
        • 2.Bf6#
      • 1...Kd4
        • 2.Bf6#
      • 1...Qxf3!
    • 1.d6+?
      • 1...Kd4
        • 2.Bf6#
      • 1...Qd5
        • 2.Qxa1#
      • 1...Bd5
        • 2.Sc6#
      • 1...Rxa5!
  • Keys
    • 1.Re8!
      • threat
        • 2.Bc5#
      • 1...Kd4
        • 2.Bf6#
      • 1...Qxd5
        • 2.Qxa1#
      • 1...Bxd5
        • 2.Sc6#
      • 1...Bc6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(e);S_FLIGHT::B(H)
    • Q(b);OGATE::QAB(A),XR(a)
    • Q(b);OGATE,P_SPINQ(b),XP(E)::QAB(A),XR(a)
    • B(f);N_GUARD,P_SPINB(f),XP(E)::S(C)
    • B(f);N_GUARD::S(C),XB(f)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • K(e);S_FLIGHT::S(G)
      • Refutation
        • K(e);S_FLIGHT,XB(H)
    • Try
      • R(I);
      • Threat
        • R1(I)
      • Vars
        • Q(b);N_GUARD::S(C),XQ(b)
      • Refutation
        • Q(b);
    • Try
      • R(I);
      • Threat
        • B(H)
      • Vars
        • K(e);S_FLIGHT::B(H)
      • Refutation
        • Q(b);XP(B)
    • Try
      • P(E);CHECK
      • Vars
        • K(e);S_FLIGHT::B(H)
        • Q(b);OGATE,P_SPINQ(b)::QAB(A),XR(a)
        • B(f);P_SPINB(f)::S(C)
      • Refutation
        • R(a);XR(D)
  • Actual
    • R(I);
    • Threat
      • R(I)+B(H)
    • Vars
      • K(e);S_FLIGHT::B(H)
      • Q(b);OGATE,P_SPINQ(b),XP(E)::QAB(A),XR(a)
      • B(f);N_GUARD,P_SPINB(f),XP(E)::S(C)
      • B(f);N_GUARD::S(C),XB(f)
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