MESON Chess Problem Database

Problem Display
PID: 95853 (6B1/5R2/1P2k3/2K1N3/2P1b1P1/8/Q7/8 w - - 0 1)

Jovanovic, Toplica

Politika Meredith Ty., 1998

6B1/5R2/1P2k3/2K1N3/2P1b1P1/8/Q7/8

#2

8 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd7?
      • threat
        • 2.Rg7#
        • 2.Rh7#
      • 1...Bh7
        • 2.Rxh7#
      • 1...Bg6!
    • 1.Rf1+?
      • 1...Kxe5
        • 2.Qa1#
        • 2.Qb2#
        • 2.Qh2#
      • 1...Ke7!
    • 1.Rf2+?
      • 1...Kxe5
        • 2.Qa1#
        • 2.Qb2#
      • 1...Ke7!
    • 1.Rf3+?
      • 1...Kxe5
        • 2.Qa1#
        • 2.Qb2#
        • 2.Qh2#
      • 1...Ke7!
    • 1.Rf8+?
      • 1...Kxe5
        • 2.Qa1#
        • 2.Qb2#
        • 2.Qh2#
      • 1...Ke7!
    • 1.Qd2?
      • threat
        • 2.Qd6#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bd3!
    • 1.Qf2?
      • threat
        • 2.Qf6#
      • 1...Kxe5
        • 2.Re7#
        • 2.Qf6#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Bf3!
    • 1.Qa4?
      • threat
        • 2.Qe8#
      • 1...Kxe5
        • 2.Qe8#
      • 1...Bc6!
    • 1.Qa7?
      • threat
        • 2.Rf5#
        • 2.Qe7#
      • 1...Kxe5
        • 2.Qe7#
      • 1...Bf5
        • 2.Rxf5#
        • 2.Qe7#
      • 1...Bg6
        • 2.Qe7#
      • 1...Bh7
        • 2.Qe7#
      • 1...Bb7!
  • Keys
    • 1.Qe2!
      • 1...Kxe5
        • 2.Rf5#
      • 1...Bb1
        • 2.Sd3#
      • 1...Bh1
        • 2.Sf3#
      • 1...Bc2
        • 2.Sd3#
      • 1...Bg2
        • 2.Sf3#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Bf3
        • 2.Sxf3#
      • 1...Bd5
        • 2.cxd5#
      • 1...Bf5
        • 2.gxf5#
      • 1...Bc6
        • 2.Sxc6#
      • 1...Bg6
        • 2.Sxg6#
      • 1...Bb7
        • 2.Sc6#
      • 1...Bh7
        • 2.Sg6#
      • 1...Ba8
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::B(H)+R(G),XB(a)
      • Refutation
        • B(a);
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);P-FLIGHT,XS(E)::QAB1(A)
        • B(a);N_GUARD::QAB1(A),XB(a)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • B(a);N_GUARD::QAB1(A),XB(a)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • K(b);P-FLIGHT,XS(E)::QAR(A)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT,XS(E)::QAR2(A)
        • B(a);::QAR1(A)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Vars
      • K(b);P-FLIGHT,P_SPINB(a),XS(E)::R1(G)
      • B(a);::QAR(A)+S(E)
      • B(a);::QAR(A)+S(E),XB(a)
      • B(a);OGATE::P(B),XB(a)
      • B(a);OGATE::P(C),XB(a)
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