MESON Chess Problem Database

Problem Display
PID: 249990 (8/7Q/1p1n4/1p1P1pN1/1K1k1P2/6R1/3B4/8 w - - 0 1)

Sarkits, Anatoly L

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Uralski Problemist, 2008

8/7Q/1p1n4/1p1P1pN1/1K1k1P2/6R1/3B4/8

#2

7 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Se6+?
      • 1...Ke4
        • 2.Qh1#
      • 1...Kxd5!
    • 1.Qxf5?
      • threat
        • 2.Sf3#
        • 2.Se6#
        • 2.Bc3#
        • 2.Be3#
        • 2.Rd3#
        • 2.Qd3#
        • 2.Qe5#
      • 1...Sc4
        • 2.Sf3#
        • 2.Se6#
        • 2.Bc3#
        • 2.Rd3#
        • 2.Qd3#
        • 2.Qe4#
      • 1...Se4
        • 2.Se6#
        • 2.Qxe4#
        • 2.Qe5#
      • 1...Sf7
        • 2.Sf3#
        • 2.Se6#
        • 2.Bc3#
        • 2.Be3#
        • 2.Rd3#
        • 2.Qd3#
        • 2.Qe4#
      • 1...Sxf5!
    • 1.Qb7?
      • threat
        • 2.Bc3#
      • 1...Se4
        • 2.Se6#
      • 1...Sxb7!
  • Keys
    • 1.Qd7!
      • 1...Kxd5
        • 2.Rd3#
      • 1...Sc4
        • 2.Bc3#
      • 1...Se4
        • 2.Se6#
      • 1...Sb7
        • 2.Bc3#
      • 1...Sf7
        • 2.Bc3#
      • 1...Sc8
        • 2.Bc3#
      • 1...Se8
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::QAB(G)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • Q(G);XP(c)
      • Threat
        • DUALS(7)
      • Refutation
        • S(e);XQ(G)
    • Try
      • Q(G);
      • Threat
        • B(A)
      • Vars
        • S(e);SBLOCK::S(F)
      • Refutation
        • S(e);XQ(G)
  • Actual
    • Q(G);
    • Vars
      • K(a);N_GUARD,P-FLIGHT,P_SPINS(e),XP(E)::R(B)
      • S(e);::B(A)
      • S(e);SBLOCK::S(F)
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