MESON Chess Problem Database

Problem Display
PID: 117085 (8/3K4/1N2B3/4p3/8/2pk4/5Q2/8 w - - 0 1)

Krizhanivsky, Vasil Viktorovich

Cherkassian Championship, 1990

8/3K4/1N2B3/4p3/8/2pk4/5Q2/8

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Bf5#
    • 1...e4
      • 2.Bc4#
  • Tries
    • 1.Kc6?
      • 1...Ke4
        • 2.Bf5#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Kd6?
      • 1...Ke4
        • 2.Bf5#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Kc7?
      • 1...Ke4
        • 2.Bf5#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Ke7?
      • 1...Ke4
        • 2.Bf5#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Kc8?
      • 1...Ke4
        • 2.Bf5#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Kd8?
      • 1...Ke4
        • 2.Bf5#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Ke8?
      • 1...Ke4
        • 2.Bf5#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Sa4?
      • threat
        • 2.Sc5#
      • 1...Ke4
        • 2.Sc5#
      • 1...c2!
    • 1.Bb3?
      • threat
        • 2.Bc2#
      • 1...Ke4
        • 2.Bc2#
      • 1...c2!
    • 1.Bh3?
      • 1...Ke4
        • 2.Bf5#
      • 1...e4
        • 2.Bf1#
      • 1...c2!
    • 1.Bd5?
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Bf7?
      • 1...Ke4
        • 2.Bg6#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
    • 1.Bg8?
      • 1...Ke4
        • 2.Bh7#
      • 1...e4
        • 2.Bc4#
      • 1...c2!
  • Keys
    • 1.Sc4!
      • 1...Ke4
        • 2.Qe3#
      • 1...c2
        • 2.Qe3#
      • 1...e4
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(C)
    • P(c);SBLOCK::B(C)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • P(a);
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • K(b);S_FLIGHT::B(C)
      • Refutation
        • P(a);
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • B(C);
      • Vars
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT::B(C)
        • P(c);SBLOCK::B(C)
      • Refutation
        • P(a);
  • Actual
    • S(B);
    • Vars
      • K(b);S_FLIGHT::QAR1(A)
      • P(a);SBLOCK::QAR1(A)
      • P(c);SBLOCK::S(B)
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