MESON Chess Problem Database

Problem Display
PID: 103199 (8/8/1P6/Pp1k1B2/1B4K1/8/1QP5/8 w - - 0 1)

Maximov, Nikolai J

La Presse, 1894

8/8/1P6/Pp1k1B2/1B4K1/8/1QP5/8

#2

7 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Be6#
  • Tries
    • 1.Kf3?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
    • 1.Kg3?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
    • 1.Kh3?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
    • 1.Kf4?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
    • 1.Kh4?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
    • 1.Kg5?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
    • 1.Kh5?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
    • 1.Bd7?
      • 1...Kc4
        • 2.Be6#
      • 1...Ke4!
    • 1.Qa1?
      • 1...Kc6
        • 2.Qh1#
      • 1...Kc4!
    • 1.Qd4+?
      • 1...Kc6
        • 2.Be4#
        • 2.Qe4#
        • 2.Qd7#
      • 1...Kxd4!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Qe4#
        • 2.Qc5#
      • 1...Kc6
        • 2.Qe4#
      • 1...Kxe5!
    • 1.Qg7?
      • 1...Kc6
        • 2.Be4#
        • 2.Qd7#
      • 1...Kc4!
    • 1.Qh8?
      • 1...Kc6
        • 2.Qh1#
        • 2.Qa8#
      • 1...Kc4!
    • 1.a6?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
    • 1.b7?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6!
  • Keys
    • 1.c3!
      • 1...Kc4
        • 2.Qa2#
      • 1...Ke5
        • 2.c4#
      • 1...Kc6
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(F)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(G);
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(b);S_FLIGHT::QAB(A)
      • K(b);P-FLIGHT::QAB(A)+P(B)
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