MESON Chess Problem Database

Problem Display
PID: 262725 (B5Q1/1P3P2/2PpN3/3k2K1/P2P2NR/R1B5/8/8 w - - 0 1)

Klipachev, Vladimir Panteleevich

Sp. HM., SuperProblem, 2018

B5Q1/1P3P2/2PpN3/3k2K1/P2P2NR/R1B5/8/8

#2

13 + 2

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.f8Q#
      • 2.f8B#
  • Tries
    • 1.Se3+?
      • 1...Kxe6
        • 2.Re4#
        • 2.Qe8#
        • 2.f8Q#
        • 2.f8B#
      • 1...Kxc6!
    • 1.Se5?
      • threat
        • 2.Sc7#
      • 1...Kxe6
        • 2.f8Q#
        • 2.f8B#
      • 1...dxe5!
    • 1.Sf6+?
      • 1...Kxc6
        • 2.b8Q#
        • 2.b8R#
      • 1...Kxe6
        • 2.Re4#
        • 2.Qe8#
        • 2.f8Q#
        • 2.f8B#
      • 1...Kc4!
    • 1.Sc5?
      • 1...Kc4
        • 2.Se3#
      • 1...Kxc6
        • 2.b8Q#
      • 1...dxc5!
    • 1.Be1?
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxe6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kxc6!
    • 1.Bd2?
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxe6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kxc6!
    • 1.Qg6?
      • 1...Kc4
        • 2.Se3#
      • 1...Kxc6!
    • 1.b8Q?
      • 1...Kc4
        • 2.Qb5#
      • 1...Kxe6
        • 2.f8Q#
        • 2.f8B#
      • 1...Ke4!
  • Keys
    • 1.Ba5!
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxc6
        • 2.b8S#
      • 1...Kxe6
        • 2.f8Q#
        • 2.f8B#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XS(I)::P=Q
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • S(E);
      • Threat
        • S(I)
      • Vars
        • K(a);S_FLIGHT,XS(I)::P=Q
      • Refutation
        • P(b);XS(E)
    • Try
      • S(E);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT,XP(H)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(I);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(E)
        • K(a);S_FLIGHT,XP(H)::P=Q
      • Refutation
        • P(b);XS(I)
    • Try
      • B(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(E)
        • K(a);N_GUARD,S_FLIGHT::R(F)+S(E),DCHECK
        • K(a);S_FLIGHT,XS(I)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • B(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(E)
        • K(a);N_GUARD,S_FLIGHT::R(F)+S(E),DCHECK
        • K(a);S_FLIGHT,XS(I)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • Q(M);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • P(J);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(J)
        • K(a);S_FLIGHT,XS(I)::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::S(E)
      • K(a);N_GUARD,S_FLIGHT::R(F)+S(E),DCHECK
      • K(a);S_FLIGHT,XP(H)::P=S
      • K(a);S_FLIGHT,XS(I)::P=Q
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