MESON Chess Problem Database

Problem Display
PID: 265157 (5R1q/2p4b/2p1Bn2/6p1/KQ1nkP1p/1p4rN/2P1P3/b4N2 w - - 0 1)

Brogi, Giuseppe

L'Italia Scacchistica, 1938

5R1q/2p4b/2p1Bn2/6p1/KQ1nkP1p/1p4rN/2P1P3/b4N2

#2

9 + 12

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.cxd3#
    • 1...Re3
      • 2.Sd2#
    • 1...Sg4
      • 2.Sxg5#
    • 1...Sd5
      • 2.Sf2#
    • 1...Sh5
      • 2.Sf2#
    • 1...Sd7
      • 2.Sf2#
    • 1...Se8
      • 2.Sf2#
    • 1...Sg8
      • 2.Sf2#
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qe5#
      • 1...Sxc2
        • 2.Sd2#
      • 1...Sxe2
        • 2.Sd2#
      • 1...Sxe6
        • 2.Sd2#
      • 1...gxf4
        • 2.Sf2#
      • 1...Sf3
        • 2.Qe3#
      • 1...Sb5
        • 2.Sd2#
      • 1...Sf5
        • 2.Sd2#
      • 1...Sg4
        • 2.Sxg5#
      • 1...Sd5
        • 2.Sf2#
      • 1...Sh5
        • 2.Sf2#
      • 1...Sd7
        • 2.Sf2#
      • 1...Se8
        • 2.Sf2#
      • 1...Sg8
        • 2.Sf2#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • R(c);OGATE::P(B),XR(c)
    • R(c);SBLOCK::S(A)
    • S(i);S_CUTR(c)::S(D),XP(g)
    • S(i);::S(D)
  • Actual
    • Q(F);N_PINS(d)
    • Threat
      • QAR1(F)
    • Vars
      • S(d);XP(B)::S(A)
      • S(d);XP(C)::S(A)
      • S(d);XB(H)::S(A)
      • P(g);SBLOCK,XP(G)::S(D)
      • S(d);OGATE::QAR1(F)
      • S(d);::S(A)
      • S(i);S_CUTR(c)::S(D),XP(g)
      • S(i);::S(D)
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Developed and maintained by Brian Stephenson.
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