MESON Chess Problem Database

Problem Display
PID: 29482 (3N4/1p1Pp1p1/1p1rBbp1/1R1pk1p1/3pNnK1/3P4/2Q5/8 w - - 0 1)

Fomichev, Evgeny Vasilevich

Probleemblad, 2001

3N4/1p1Pp1p1/1p1rBbp1/1R1pk1p1/3pNnK1/3P4/2Q5/8

#2

8 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe6
      • 2.Sf7#
    • 1...Sxe6
      • 2.Sf7#
  • Tries
    • 1.Sxg5?
      • threat
        • 2.Sf3#
        • 2.Sgf7#
        • 2.Sdf7#
      • 1...Rxe6
        • 2.Sgf7#
        • 2.Sdf7#
      • 1...Rxd7
        • 2.Sgf7#
        • 2.Sdf7#
      • 1...Sxd3
        • 2.Sdf7#
        • 2.Qe2#
      • 1...Rc6
        • 2.Sgf7#
        • 2.Sdf7#
      • 1...Bxg5!
    • 1.Qh2?
      • 1...Rxe6
        • 2.Sf7#
      • 1...Rc6
        • 2.Rxd5#
      • 1...Rxd7!
    • 1.Qc7?
      • 1...Sxe6
        • 2.Sf7#
      • 1...Se2
        • 2.Rxd5#
      • 1...Sg2
        • 2.Rxd5#
      • 1...Sh3
        • 2.Rxd5#
      • 1...Sh5
        • 2.Rxd5#
      • 1...Sxd3!
  • Keys
    • 1.Bxd5!
      • threat
        • 2.Sf7#
      • 1...Rxd5
        • 2.Qc7#
      • 1...Sxd5
        • 2.Qh2#

There are these versions: 46102

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(g);SBLOCK,XB(F)::S(H)
    • S(b);SBLOCK,XB(F)::S(H)
  • Tries
    • Try
      • S(C);XP(e)
      • Threat
        • DUALS(3)
      • Refutation
        • B(h);XS(C)
    • Try
      • Q(A);P_PINS(b)
      • Vars
        • R(g);SBLOCK,XB(F)::S(H)
        • R(g);N_GUARD::R1(E),XP(c)
      • Refutation
        • R(g);XP(G)
    • Try
      • Q(A);P_PINR(g)
      • Vars
        • S(b);SBLOCK,XB(F)::S(H)
        • S(b);N_GUARD::R1(E),XP(c)
      • Refutation
        • S(b);XP(B)
  • Actual
    • B(F);XP(c)
    • Threat
      • S(H)
    • Vars
      • R(g);OGATEB,P_SPINR(g),XB(F)::QAB(A)
      • S(b);OGATEB,P_SPINS(b),XB(F)::QAB(A)
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