MESON Chess Problem Database

Problem Display
PID: 35516 (8/8/8/3Bp1K1/3k4/8/8/2QN1b2 w - - 0 1)

Pilchenko, Viacheslav Karlovich

1/3 Prize, Smena, 1992

8/8/8/3Bp1K1/3k4/8/8/2QN1b2

#2

4 + 3

3705 Album Russia (1992-1994) 2000
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Qc4#
    • 1...Bh3
      • 2.Qc4#
    • 1...Bc4
      • 2.Qxc4#
  • Tries
    • 1.Ba2?
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...Bc4
        • 2.Qxc4#
      • 1...e4
        • 2.Qc3#
      • 1...Kd3!
    • 1.Bf3?
      • threat
        • 2.Qc3#
      • 1...Kd3
        • 2.Qc3#
      • 1...Bc4
        • 2.Qe3#
      • 1...e4!
    • 1.Bc6?
      • threat
        • 2.Qc3#
      • 1...Bc4
        • 2.Qe3#
      • 1...Kd3!
    • 1.Be6?
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...e4
        • 2.Qc3#
      • 1...Kd3!
    • 1.Bb7?
      • threat
        • 2.Qc3#
      • 1...Bc4
        • 2.Qe3#
      • 1...Kd3!
    • 1.Bf7?
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...e4
        • 2.Qc3#
      • 1...Kd3!
    • 1.Ba8?
      • threat
        • 2.Qc3#
      • 1...Bc4
        • 2.Qe3#
      • 1...Kd3!
    • 1.Bg8?
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...e4
        • 2.Qc3#
      • 1...Kd3!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Qe3#
      • 1...Kd3
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...Bc4
        • 2.Qxc4#
      • 1...e4
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::QAR1(A)
    • B(a);N_GUARD::QAR1(A),XB(a)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • B(a);N_GUARD::QAR1(A),XB(a)
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • B(a);SBLOCK::QAB1(A)
      • Refutation
        • P(c);
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • B(a);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • B(a);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • B(a);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • B(a);N_GUARD::QAR1(A),XB(a)
      • P(c);SBLOCK::QAB1(A)
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