MESON Chess Problem Database

Problem Display
PID: 174799 (8/7Q/3NpNP1/5p2/2Bn1np1/2P1k3/4P2R/3K1R2 w - - 0 1)

Barth, Michael

Praca, 2000

8/7Q/3NpNP1/5p2/2Bn1np1/2P1k3/4P2R/3K1R2

#2

10 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qh6?
      • threat
        • 2.Qxf4#
      • 1...Sxe2
        • 2.Rxe2#
      • 1...e5
        • 2.Sd5#
      • 1...Sf3!
    • 1.Qe7?
      • 1...Sdxe2
        • 2.Sxf5#
      • 1...Sfxe2
        • 2.Sd5#
      • 1...Sxg6
        • 2.Sd5#
      • 1...Sf3
        • 2.Sxf5#
      • 1...Sc2
        • 2.Sxf5#
      • 1...Sb3
        • 2.Sxf5#
      • 1...Sb5
        • 2.Sxf5#
      • 1...Sc6
        • 2.Sxf5#
      • 1...Sg2
        • 2.Sd5#
      • 1...Sd3
        • 2.Sd5#
      • 1...Sh3
        • 2.Sd5#
      • 1...Sd5
        • 2.Sxd5#
      • 1...Sh5
        • 2.Sd5#
      • 1...e5
        • 2.Qxe5#
      • 1...g3!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qxd4#
      • 1...Sxe2
        • 2.Rxe2#
      • 1...e5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);P_PINS(c)
      • Threat
        • QAB1(J),XS(c)
      • Vars
        • S(b);OGATE,XP(C)::R1(D),XS(b)
        • P(f);N_GUARD::S(H)
      • Refutation
        • S(b);
    • Try
      • Q(J);P_PINP(f)
      • Vars
        • S(b);N_GUARD,XP(C)::S(G),XP(e)
        • S(c);N_GUARD,XP(C)::S(H)
        • S(c);N_GUARD,XP(I)::S(H)
        • S(b);N_GUARD::S(G),XP(e)
        • S(c);N_GUARD::S(H)
        • S(c);N_GUARD::S(H),XS(c)
        • P(f);OGATE::QAR2(J),XP(f)
      • Refutation
        • P(d);
  • Actual
    • Q(J);P_PINS(b)
    • Threat
      • QAB1(J),XS(b)
    • Vars
      • S(c);OGATE,XP(C)::R1(D),XS(c)
      • P(f);N_GUARD::S(G),XP(e)
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