MESON Chess Problem Database

Problem Display
PID: 107676 (5N2/4R3/1pNPK1P1/1rk3PR/4n3/3P4/8/7B w - - 0 1)

Balashov, Evgeny Fedorovich

C Moscovite, 1992

5N2/4R3/1pNPK1P1/1rk3PR/4n3/3P4/8/7B

#2

10 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Rc7#
    • 1...Sd2
      • 2.Sd7#
    • 1...Sf2
      • 2.Sd7#
    • 1...Sc3
      • 2.Sd7#
    • 1...Sg3
      • 2.Sd7#
    • 1...Sxg5+
      • 2.Rxg5#
    • 1...Sxd6
      • 2.Sd7#
    • 1...Sf6
      • 2.gxf6#
  • Tries
    • 1.d4+?
      • 1...Kxc6
        • 2.Rc7#
      • 1...Kc4!
  • Keys
    • 1.Kd7!
      • threat
        • 2.Re5#
      • 1...Sf6+
        • 2.gxf6#
      • 1...Kd5
        • 2.Re5#
      • 1...Sc3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • K(c);OGATEB,P-FLIGHT,P_SPINS(a),XS(E)::R1(I)
    • S(a);::S(J)
    • S(a);CHECK,OGATE,P_SPINS(a),XP(C)::R(D),XS(a)
    • S(a);XP(F)::S(J)
    • S(a);OGATE::R(D)+P(C),XS(a)
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINS(a),XS(E)::R1(I)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • K(G);S_FLIGHT
    • Threat
      • R(I)
    • Vars
      • S(a);CHECK,OGATE::R(D)+P(C),XS(a)
      • K(c);P-FLIGHT,P_SPINS(a)::R1(I)
      • S(a);::S(J)
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