MESON Chess Problem Database

Problem Display
PID: 177960 (8/p7/Q7/2P5/2P5/BP4p1/1Pk1N1P1/R3KN2 w Q - 0 1)

Soldatov, Volodimir Vladimirovich

Sahs (Latvia), 1987

8/p7/Q7/2P5/2P5/BP4p1/1Pk1N1P1/R3KN2

#2

11 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb3
      • 2.Sd4#
    • 1...Kd3
      • 2.Qg6#
  • Tries
    • 1.Se3+?
      • 1...Kxb3
        • 2.Sc1#
        • 2.Sd4#
        • 2.Qb5#
      • 1...Kd3!
    • 1.Sfxg3?
      • 1...Kxb3
        • 2.Sd4#
      • 1...Kd3!
    • 1.Sexg3?
      • 1...Kd3
        • 2.0-0-0#
      • 1...Kxb3!
    • 1.Bb4?
      • 1...Kxb2
        • 2.Qa2#
      • 1...Kd3
        • 2.Qg6#
      • 1...Kxb3!
    • 1.Rc1+?
      • 1...Kd3
        • 2.Qg6#
      • 1...Kxb3!
    • 1.Qf6?
      • threat
        • 2.Qc3#
      • 1...Kd3
        • 2.Qf5#
        • 2.Qg6#
      • 1...Kxb3!
    • 1.Qxa7?
      • 1...Kd3
        • 2.Qh7#
      • 1...Kxb3!
    • 1.b4?
      • 1...Kb3
        • 2.Sd4#
      • 1...Kd3!
    • 1.c6?
      • 1...Kxb3
        • 2.Sd4#
      • 1...Kd3!
  • Keys
    • 1.Sc3!
      • 1...Kxb3
        • 2.Qa4#
      • 1...Kd3
        • 2.0-0-0#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(H)::S(E)
    • K(a);S_FLIGHT::QAB(K)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);XP(b)
      • Vars
        • K(a);S_FLIGHT,XP(H)::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);XP(b)
      • Vars
        • K(a);S_FLIGHT::0-0-0
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • B(G);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(D)::QAR1(K)
        • K(a);S_FLIGHT::QAB(K)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(K)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • Q(K);
      • Threat
        • QAR1(K)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • Q(K);XP(c)
      • Vars
        • K(a);S_FLIGHT::QAB(K)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • P(H);
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(J);
      • Vars
        • K(a);S_FLIGHT,XP(H)::S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XP(H)::QAB1(K)
      • K(a);S_FLIGHT::0-0-0
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