MESON Chess Problem Database

Problem Display
PID: 138807 (8/3R2p1/p1PP1pP1/Kp2kP2/3NPN2/1RPprpQ1/B2P1P2/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

1st Comm., Hirschenson JT, 2010

8/3R2p1/p1PP1pP1/Kp2kP2/3NPN2/1RPprpQ1/B2P1P2/8

#2

15 + 8

145 StrateGems 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Re7#
  • Tries
    • 1.Rxb5+?
      • 1...Kxe4
        • 2.Re7#
      • 1...axb5!
    • 1.Qg4?
      • 1...Kxe4
        • 2.Re7#
      • 1...Rxe4
        • 2.Sxf3#
      • 1...Re1
        • 2.Sxd3#
      • 1...Re2
        • 2.Sxd3#
      • 1...b4!
  • Keys
    • 1.Rb4!
      • 1...Kxe4
        • 2.Re7#
      • 1...Rxe4
        • 2.Sxd3#
      • 1...Re1
        • 2.Sxf3#
      • 1...Re2
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(e);P-FLIGHT,XP(H)::R(O)
  • Tries
    • Try
      • R(D);CHECK,XP(d)
      • Vars
        • K(e);P-FLIGHT,XP(H)::R(O)
      • Refutation
        • P(f);XR(D)
    • Try
      • Q(F);
      • Vars
        • K(e);P-FLIGHT,XP(H)::R(O)
        • R(b);N_GUARD,SBLOCK,XP(H)::S(G),XP(c)
        • R(b);N_GUARD::S(I),XP(a)
      • Refutation
        • P(d);
  • Actual
    • R(D);
    • Vars
      • K(e);P-FLIGHT,XP(H)::R(O)
      • R(b);SBLOCK,XP(H)::QAB(F)+S(I),DCHECK,XP(a)
      • R(b);N_GUARD::S(G),XP(c)
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