MESON Chess Problem Database

Problem Display
PID: 160101 (3R3B/2p5/r2b1N1K/1p6/1N1k4/1P3p2/8/2Q2n2 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Troll, 2016

3R3B/2p5/r2b1N1K/1p6/1N1k4/1P3p2/8/2Q2n2

#2

7 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sfd5+?
      • 1...Ke4
        • 2.Qb1#
        • 2.Qc2#
      • 1...Be5+!
    • 1.Qf4+?
      • 1...Kc5
        • 2.Sd7#
      • 1...Kc3!
    • 1.Qe1?
      • threat
        • 2.Se4#
      • 1...Kc5
        • 2.Sd7#
      • 1...Se3!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Sg4#
      • 1...Ke3
        • 2.Sfd5#
      • 1...Ke5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK,N_PINB(f)
      • Refutation
        • B(f);CHECK,P_SPINB(f)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);N_SPINB(f),S_FLIGHT::S(D)
      • Refutation
        • K(c);N_SPINB(f),S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(G)+S(D)
      • Vars
        • K(c);N_SPINB(f),S_FLIGHT::S(D)
      • Refutation
        • S(a);
  • Actual
    • Q(A);
    • Threat
      • B(G)+S(D)
    • Vars
      • K(c);N_SPINB(f),S_FLIGHT::S(D)
      • K(c);N_SPINB(f),S_FLIGHT::QAR1(A)
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