MESON Chess Problem Database

Problem Display
PID: 252867 (8/3p2B1/1KP5/2pk4/3pR3/8/8/3B3Q w - - 0 1)

Kupchikov, V

Zadachi i Etyudi, 2005

8/3p2B1/1KP5/2pk4/3pR3/8/8/3B3Q

#2

6 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Bb3+?
      • 1...Kd6
        • 2.Bf8#
        • 2.Qh2#
        • 2.Qh6#
      • 1...c4!
    • 1.Re1+?
      • 1...Kd6
        • 2.Bf8#
      • 1...Kc4!
    • 1.Re2+?
      • 1...Kd6
        • 2.Bf8#
      • 1...Kc4!
    • 1.Re3+?
      • 1...Kd6
        • 2.Bf8#
      • 1...Kc4!
    • 1.Re5+?
      • 1...Kd6
        • 2.Qd5#
        • 2.Qh6#
      • 1...Kc4!
    • 1.Re8+?
      • 1...Kd6
        • 2.Be5#
        • 2.Bf8#
      • 1...Kc4!
    • 1.Qh5+?
      • 1...Kxe4
        • 2.Qf3#
      • 1...Kd6
        • 2.Bf8#
        • 2.Qxc5#
        • 2.Qe5#
      • 1...Kc4!
    • 1.cxd7?
      • 1...Kd6
        • 2.d8Q#
        • 2.d8R#
      • 1...d3
        • 2.d8Q#
        • 2.d8R#
      • 1...c4
        • 2.d8Q#
        • 2.d8R#
      • 1...Kc4!
  • Keys
    • 1.Qh3!
      • 1...Kc4
        • 2.Qb3#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Kd6
        • 2.Qxd7#
      • 1...dxc6
        • 2.Qe6#
      • 1...d3
        • 2.Qxd3#
      • 1...c4
        • 2.Rxd4#
      • 1...d6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • R(C);CHECK
      • Vars
        • K(c);N_GUARD,P-FLIGHT::B(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);CHECK
      • Vars
        • K(c);N_GUARD,P-FLIGHT::B(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);CHECK
      • Vars
        • K(c);N_GUARD,P-FLIGHT::B(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
    • Try
      • P(E);XP(d)
      • Vars
        • K(c);N_GUARD,P-FLIGHT::P=Q
        • P(a);::P=Q
        • P(b);SBLOCK::P=Q
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(c);N_GUARD,P_SPINP(a),S_CUTP(b),S_FLIGHT::QAB1(B)
      • K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
      • K(c);N_GUARD,P-FLIGHT::QAR1(B),XP(d)
      • P(d);N_GUARD,XP(E)::QAB1(B)
      • P(a);OGATEB::QAR2(B),XP(a)
      • P(b);N_GUARD::R1(C),XP(a)
      • P(d);N_GUARD::QAB1(B)
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