MESON Chess Problem Database

Problem Display
PID: 225889 (8/8/2Q5/1p2N1K1/3k1pp1/rP6/2n1pN2/b5B1 w - - 0 1)

Didenko, Vladimir Vasilovich

Garaj, Ivan

Praca, 1996

8/8/2Q5/1p2N1K1/3k1pp1/rP6/2n1pN2/b5B1

#2

6 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Se4#
    • 1...Kxe5
      • 2.Sd3#
      • 2.Sxg4#
    • 1...Se1
      • 2.Sfd3#
      • 2.Sfxg4#
    • 1...Sb4
      • 2.Sfd3#
      • 2.Sfxg4#
  • Tries
    • 1.Sf3+?
      • 1...Ke3
        • 2.Qe4#
      • 1...gxf3!
    • 1.Qd6+?
      • 1...Ke3
        • 2.Qd3#
      • 1...Kc3!
  • Keys
    • 1.b4!
      • threat
        • 2.Qc5#
      • 1...Ke3
        • 2.Se4#
      • 1...Kxe5
        • 2.Sxg4#
      • 1...Sxb4
        • 2.Sfd3#
      • 1...Rc3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::B(A)+S(B)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR1(F)
      • Refutation
        • P(g);XS(D)
    • Try
      • Q(F);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR1(F)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • P(C);
    • Threat
      • QAB1(F)
    • Vars
      • K(e);S_FLIGHT::B(A)+S(B)
      • K(e);S_FLIGHT,XS(D)::S(B),XP(g)
      • S(b);N_GUARD,XP(C)::B(A)+S(B)
      • R(d);SBLOCK::QAR1(F)
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