MESON Chess Problem Database

Problem Display
PID: 246340 (6BB/3p2r1/4bN2/K2p4/1Pk1p1p1/1p6/1P4p1/3R4 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Shakhmatnaya Poeziya, 2009

6BB/3p2r1/4bN2/K2p4/1Pk1p1p1/1p6/1P4p1/3R4

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Bxd5#
  • Tries
    • 1.Sxg4?
      • threat
        • 2.Se3#
        • 2.Se5#
      • 1...Rxg4
        • 2.Rd4#
      • 1...Bxg4
        • 2.Bxd5#
      • 1...g1Q
        • 2.Se5#
      • 1...g1B
        • 2.Se5#
      • 1...Rg5
        • 2.Se3#
        • 2.Rd4#
      • 1...e3
        • 2.Sxe3#
        • 2.Se5#
      • 1...d6
        • 2.Se3#
      • 1...d4!
    • 1.Se8?
      • threat
        • 2.Sd6#
      • 1...d6
        • 2.Sxd6#
      • 1...d4!
  • Keys
    • 1.Sxd7!
      • threat
        • 2.Se5#
        • 2.Sb6#
      • 1...Rxd7
        • 2.Rd4#
      • 1...Bxd7
        • 2.Bxd5#
      • 1...d4
        • 2.Sb6#
        • 2.Bxe6#
      • 1...g1Q
        • 2.Se5#
      • 1...g1B
        • 2.Se5#
      • 1...Rg5
        • 2.Sb6#
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(g);OGATE,P_SPINP(f)::B(F),XP(f)
  • Tries
    • Try
      • S(E);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(i);XS(E)::R1(A)
        • B(g);OGATE,P_SPINP(f),XS(E)::B(F),XP(f)
        • P(a);::S(E)
        • P(h);::S(E)
      • Refutation
        • P(f);P_SPINB(g)
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • P(h);::S(E),XP(h)
      • Refutation
        • P(f);P_SPINB(g)
  • Actual
    • S(E);XP(h)
    • Threat
      • DUALS(2)
    • Vars
      • R(i);XS(E)::R1(A)
      • B(g);OGATE,P_SPINP(f),XS(E)::B(F),XP(f)
      • P(a);::S(E)
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