MESON Chess Problem Database

Problem Display
PID: 70461 (3N4/4B3/p2N4/n7/2rkP2p/P1R4p/K1P4Q/8 w - - 0 1)

Andrews, JT

Source?, 0000

3N4/4B3/p2N4/n7/2rkP2p/P1R4p/K1P4Q/8

#2

9 + 6

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qg1#
      • 2.Qf2#
    • 1...Ra4
      • 2.Bf6#
    • 1...Rb4
      • 2.Bf6#
    • 1...Rc5
      • 2.Rd3#
    • 1...Rc6
      • 2.Bf6#
    • 1...Rc7
      • 2.Bf6#
    • 1...Rc8
      • 2.Bf6#
  • Tries
    • 1.Qg3?
      • threat
        • 2.Se6#
      • 1...Kc5
        • 2.Qf2#
        • 2.Qg1#
        • 2.Qe3#
      • 1...hxg3!
    • 1.Qd2+?
      • 1...Kc5
        • 2.Qe3#
        • 2.Qf2#
      • 1...Ke5!
    • 1.Qf2+?
      • 1...Ke5
        • 2.Qf6#
      • 1...Kxc3!
  • Keys
    • 1.Bg5!
      • 1...Kxc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Be3#
      • 1...Rxc3
        • 2.Se6#
      • 1...Ra4
        • 2.Bf6#
      • 1...Rb4
        • 2.Bf6#
      • 1...Rc5
        • 2.Rd3#
      • 1...Rc6
        • 2.Bf6#
      • 1...Rc7
        • 2.Bf6#
      • 1...Rc8
        • 2.Bf6#
      • 1...Sb3
        • 2.Rxc4#
      • 1...Sc6
        • 2.Rxc4#
      • 1...Sb7
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(b);P_PINP(D)::B(H)
    • R(b);::B(H)
    • R(b);SBLOCK::R1(E)
  • Tries
    • Try
      • Q(C);
      • Threat
        • S(I)
      • Refutation
        • P(d);XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
      • Refutation
        • K(c);S_FLIGHT,XR(E)
  • Actual
    • B(H);
    • Vars
      • K(c);S_FLIGHT,XR(E)::QAB1(C)
      • K(c);P_SPINR(b),S_FLIGHT::B(H)
      • R(b);SBLOCK,XR(E)::S(I)
      • R(b);P_PINP(D)::B(H)
      • R(b);::B(H)
      • R(b);SBLOCK::R1(E)
      • S(e);N_GUARD::R1(E),XR(b)
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