MESON Chess Problem Database

Problem Display
PID: 230288 (1N1Rnb2/2p1p1np/2P1P1p1/4k1Bp/3p4/3P4/B5N1/4KR2 w - - 0 1)

Novikov, A

Zadachi i Etyudi, 2000

1N1Rnb2/2p1p1np/2P1P1p1/4k1Bp/3p4/3P4/B5N1/4KR2

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe6
      • 2.Rd5#
    • 1...Sd6
      • 2.Sd7#
  • Tries
    • 1.Bh4?
      • threat
        • 2.Bg3#
      • 1...Sxe6
        • 2.Rd5#
      • 1...Sf5!
    • 1.Bxe7?
      • threat
        • 2.Sd7#
      • 1...Sf6
        • 2.Bxf6#
      • 1...Bxe7!
    • 1.Rf7?
      • threat
        • 2.Bf4#
      • 1...Sxe6
        • 2.Rd5#
      • 1...Sf6!
    • 1.Rxf8?
      • threat
        • 2.Bf4#
      • 1...Sxe6
        • 2.Rd5#
      • 1...Sf6!
  • Keys
    • 1.Sh4!
      • 1...Sxe6
        • 2.Rd5#
      • 1...Sf5
        • 2.Sf3#
      • 1...Sd6
        • 2.Sd7#
      • 1...Sf6
        • 2.Bf4#
      • 1...h6
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(g);SBLOCK,XP(H)::R1(J)
    • S(i);SBLOCK::S(I)
  • Tries
    • Try
      • B(F);
      • Threat
        • B(F)
      • Vars
        • S(g);SBLOCK,XP(H)::R1(J)
      • Refutation
        • S(g);
    • Try
      • B(F);XP(f)
      • Threat
        • S(I)
      • Vars
        • S(i);N_GUARD::B(F),XS(i)
      • Refutation
        • B(j);XB(F)
    • Try
      • R(B);
      • Threat
        • B(F)
      • Vars
        • S(g);SBLOCK,XP(H)::R1(J)
      • Refutation
        • S(i);
    • Try
      • R(B);XB(j)
      • Threat
        • B(F)
      • Vars
        • S(g);SBLOCK,XP(H)::R1(J)
      • Refutation
        • S(i);
  • Actual
    • S(D);
    • Vars
      • S(g);SBLOCK,XP(H)::R1(J)
      • S(g);SBLOCK::S(D)
      • S(i);SBLOCK::S(I)
      • S(i);SBLOCK::B(F)
      • P(h);N_GUARD::S(D),XP(d)
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