MESON Chess Problem Database

Problem Display
PID: 158699 (7Q/2PP4/5N2/3p1PP1/1B1N1k2/8/2PP4/5K2 w - - 0 1)

Syzonenko, Viktor N

The Problemist Supplement, 2015

7Q/2PP4/5N2/3p1PP1/1B1N1k2/8/2PP4/5K2

#2

11 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kg3
      • 2.Bd6#
  • Tries
    • 1.Bc5?
      • 1...Kg3
        • 2.Bd6#
      • 1...Ke5
        • 2.Qh2#
      • 1...Kxg5!
    • 1.Bf8?
      • 1...Kg3
        • 2.Bd6#
      • 1...Kxg5
        • 2.Qh6#
      • 1...Ke5!
    • 1.Qh3?
      • threat
        • 2.Qe3#
      • 1...Ke5
        • 2.Qe3#
      • 1...Kxg5!
    • 1.Qh5?
      • threat
        • 2.Bd6#
      • 1...Kg3
        • 2.Se2#
        • 2.Bd6#
      • 1...Ke5!
    • 1.Qh6?
      • threat
        • 2.Bd6#
      • 1...Kg3
        • 2.Bd6#
      • 1...Ke5!
    • 1.c3?
      • 1...Kg3
        • 2.Bd6#
      • 1...Ke5
        • 2.Qh2#
      • 1...Kxg5!
    • 1.d8S?
      • 1...Kg3
        • 2.Bd6#
      • 1...Kxg5
        • 2.S8e6#
      • 1...Ke5!
  • Keys
    • 1.d3!
      • 1...Ke3
        • 2.Sxd5#
      • 1...Kg3
        • 2.Bd6#
      • 1...Ke5
        • 2.Sh5#
      • 1...Kxg5
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(D)
  • Tries
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);S_FLIGHT::QAB(K)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);OGATEB,S_FLIGHT,XP(G)::QAB1(K)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(K);
      • Threat
        • QAB1(K)
      • Vars
        • K(a);S_FLIGHT::QAR2(K)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • Q(K);
      • Threat
        • B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(K);
      • Threat
        • B(D)
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);S_FLIGHT::QAB(K)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • P(J);
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);S_FLIGHT,XP(G)::S(J)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);S_FLIGHT::S(H),XP(b)
      • K(a);S_FLIGHT::B(D)
      • K(a);S_FLIGHT::QAB(K)+S(H)
      • K(a);S_FLIGHT,XP(G)::B(D)
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