MESON Chess Problem Database

Problem Display
PID: 141958 (8/3N4/4b3/1p5r/2k2p2/7n/KB1QP3/6b1 w - - 0 1)

Chepizhni, Viktor Ivanovich

5th Prize, Moscow Ty., 2001

8/3N4/4b3/1p5r/2k2p2/7n/KB1QP3/6b1

#2

5 + 7

6167 Viktor Chepizhny 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Sb6#
    • 1...Rd5
      • 2.Qc3#
    • 1...Bh2
      • 2.Qd4#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Bd5
      • 2.Qc3#
    • 1...Sf2
      • 2.Qd4#
    • 1...b4
      • 2.Qd3#
  • Tries
    • 1.Ba3?
      • threat
        • 2.Qd3#
      • 1...Rd5
        • 2.Qb4#
      • 1...Bf5
        • 2.Se5#
      • 1...Sf2
        • 2.Sb6#
      • 1...Bd4!
  • Keys
    • 1.e4!
      • threat
        • 2.Qc3#
      • 1...fxe4 ep
        • 2.Qd4#
      • 1...b4
        • 2.Qe2#
      • 1...Bd4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(f);SBLOCK,S_CUTB(a)::S(E)
    • R(f);SBLOCK::QAR1(C)
    • B(a);N_GUARD::QAR1(C)
    • B(a);N_GUARD::QAR1(C),XB(a)
    • B(g);SBLOCK::QAR1(C)
    • S(b);S_CUTB(a)::QAR1(C)
    • P(e);SBLOCK::QAB1(C)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAB1(C)
      • Vars
        • R(f);SBLOCK::QAR1(C)
        • B(g);S_CUTR(f)::S(E)
        • S(b);S_CUTB(a)::S(E)
      • Refutation
        • B(a);
  • Actual
    • P(D);
    • Threat
      • QAR1(C)
    • Vars
      • P(d);EP,S_CUTB(a),XP(D)::QAR1(C)
      • P(e);SBLOCK::QAB(C)
      • B(a);N_GUARD::QAR1(C),XB(a)
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