MESON Chess Problem Database

Problem Display
PID: 262968 (8/8/8/5N2/5pn1/3B1pq1/3K1kbp/3QN1br w - - 0 1)

Fomichev, Evgeny Vasilevich

Zadachi i Etyudi, 2008

8/8/8/5N2/5pn1/3B1pq1/3K1kbp/3QN1br

#2

5 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Qe1#
      • 1...Bf1
        • 2.Qxf1#
      • 1...Bh3!
    • 1.Sxg2?
      • threat
        • 2.Qf1#
      • 1...Kxg2
        • 2.Qf1#
      • 1...Qxg2
        • 2.Qe1#
      • 1...fxg2
        • 2.Qe2#
      • 1...Se3!
  • Keys
    • 1.Sxf3!
      • threat
        • 2.Qe2#
      • 1...Qxf3
        • 2.Qe1#
      • 1...Bxf3
        • 2.Qf1#
      • 1...Bf1
        • 2.Qxf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(A)
      • Vars
        • B(d);N_GUARD::QAR1(A),XB(d)
      • Refutation
        • B(d);
    • Try
      • S(B);XB(d)
      • Threat
        • QAR1(A)
      • Vars
        • K(c);P-FLIGHT,XS(B)::QAB1(A)
        • Q(g);SBLOCK,XS(B)::QAB1(A)
        • P(f);N_GUARD,SBLOCK,XS(B)::QAR1(A)
      • Refutation
        • S(i);
  • Actual
    • S(B);XP(f)
    • Threat
      • QAR1(A)
    • Vars
      • Q(g);SBLOCK,XS(B)::QAB1(A)
      • B(d);N_GUARD,SBLOCK,XS(B)::QAR1(A)
      • B(d);N_GUARD::QAR1(A),XB(d)
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