MESON Chess Problem Database

Problem Display
PID: 164632 (3r4/pQN1p3/2Bk4/P4p2/2K5/2BpN2b/8/8 w - - 0 1)

Zabirokhin, Piotr

Zadachi i Etyudi, 2014

3r4/pQN1p3/2Bk4/P4p2/2K5/2BpN2b/8/8

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Sxf5#
    • 1...Bg2
      • 2.Sxf5#
    • 1...e5
      • 2.Bb4#
    • 1...e6
      • 2.Sb5#
  • Tries
    • 1.Kb4?
      • threat
        • 2.Sc4#
      • 1...e6
        • 2.Sb5#
      • 1...e5!
    • 1.Kd4?
      • threat
        • 2.Sc4#
        • 2.Bb4#
      • 1...e6
        • 2.Sb5#
        • 2.Bb4#
      • 1...e5+!
    • 1.Se8+?
      • 1...Rxe8
        • 2.Qd7#
      • 1...Ke6!
    • 1.Bb5?
      • threat
        • 2.Qc6#
      • 1...e5
        • 2.Bb4#
      • 1...Bg2
        • 2.Sxf5#
      • 1...e6!
    • 1.Bd5?
      • threat
        • 2.Sb5#
        • 2.Qc6#
      • 1...e5
        • 2.Sb5#
      • 1...e6
        • 2.Sb5#
      • 1...Rc8
        • 2.Qc6#
      • 1...a6
        • 2.Qc6#
      • 1...Kd7!
  • Keys
    • 1.Ba4!
      • threat
        • 2.Qc6#
      • 1...e5
        • 2.Bb4#
      • 1...e6
        • 2.Sb5#
      • 1...Bg2
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD::S(B),XP(c)
    • P(f);SBLOCK::B(A)
    • P(f);SBLOCK::S(G)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • S(B)
      • Vars
        • P(f);SBLOCK::S(G)
      • Refutation
        • P(f);
    • Try
      • K(C);P-FLIGHT
      • Threat
        • DUALS(2)
      • Refutation
        • P(f);CHECK
    • Try
      • S(G);CHECK
      • Vars
        • R(g);XS(G)::QAR1(F)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • B(E);
      • Threat
        • QAR1(F)
      • Vars
        • P(f);SBLOCK::B(A)
        • B(b);N_GUARD::S(B),XP(c)
      • Refutation
        • P(f);
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);::S(G)
        • R(g);P_PINS(G)::QAR1(F)
        • P(e);::QAR1(F)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • B(E);
    • Threat
      • QAR1(F)
    • Vars
      • P(f);SBLOCK::B(A)
      • P(f);SBLOCK::S(G)
      • B(b);N_GUARD::S(B),XP(c)
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