MESON Chess Problem Database

Problem Display
PID: 262012 (3N3K/2p4b/4p2B/1Q4N1/3kB1P1/1pp2p2/8/4r3 w - - 0 1)

Brogi, Giuseppe

South African Chess Player, 1958

3N3K/2p4b/4p2B/1Q4N1/3kB1P1/1pp2p2/8/4r3

#2

7 + 8

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sc6#
      • 2.Sdxe6#
    • 1...Rxe4
      • 2.Sxf3#
    • 1...Bxe4
      • 2.Sgxe6#
  • Tries
    • 1.Sb7?
      • threat
        • 2.Qc5#
      • 1...Rxe4
        • 2.Sxf3#
      • 1...Bxe4
        • 2.Sxe6#
      • 1...c5
        • 2.Qxc5#
      • 1...Ke3!
  • Keys
    • 1.Sgf7!
      • threat
        • 2.Qb4#
      • 1...Kxe4
        • 2.Qc4#
      • 1...Rxe4
        • 2.Sc6#
      • 1...Bxe4
        • 2.Sxe6#
      • 1...c5
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK,XB(A)::S(D),XP(d)
    • B(h);SBLOCK,XB(A)::S(D),XP(f)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAB1(C)
      • Vars
        • R(a);SBLOCK,XB(A)::S(D),XP(d)
        • B(h);SBLOCK,XB(A)::S(D),XP(f)
        • P(g);::QAB1(C),XP(g)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • QAR2(C)
    • Vars
      • K(e);N_GUARD,P-FLIGHT,XB(A)::QAR2(C)
      • R(a);SBLOCK,XB(A)::S(F)
      • B(h);SBLOCK,XB(A)::S(F),XP(f)
      • P(g);SBLOCK::QAR1(C)
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