MESON Chess Problem Database

Problem Display
PID: 50992 (7B/1b6/4nN2/3p4/3P3R/4k3/3p1NP1/3K2Q1 w - - 0 1)

Garaza, Luis Alberto

The Spectator, 1956

7B/1b6/4nN2/3p4/3P3R/4k3/3p1NP1/3K2Q1

#2

8 + 5

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Sxd5#
    • 1...Bc8
      • 2.Sxd5#
    • 1...Sf4
      • 2.S6g4#
  • Tries
    • 1.Qh2?
      • threat
        • 2.S6g4#
        • 2.Qg3#
      • 1...Sxd4
        • 2.S6g4#
        • 2.Qf4#
      • 1...Sf4
        • 2.S6g4#
        • 2.Qxf4#
      • 1...Sg5
        • 2.S6g4#
        • 2.Qf4#
      • 1...Sg7
        • 2.Qg3#
        • 2.Qf4#
      • 1...Kxf2!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qe2#
      • 1...Sxd4
        • 2.S2g4#
      • 1...Sf4
        • 2.S6g4#
      • 1...Ba6
        • 2.Sxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::S(G),XP(c)
    • S(d);SBLOCK::S(G)
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • S(d);SBLOCK,XP(E)::S(C)
      • S(d);SBLOCK::S(G)
      • B(e);N_GUARD::S(G),XP(c)
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