MESON Chess Problem Database

Problem Display
PID: 52971 (K4n2/7Q/3p2r1/3p1N1b/4kP2/1pP4B/2PnrR2/2B5 w - - 0 1)

Chicco, Adriano

1st Prize, Belyakin-80 JT, 1949

K4n2/7Q/3p2r1/3p1N1b/4kP2/1pP4B/2PnrR2/2B5

#2

9 + 9

461 Schach-Express 1950

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sxd6#
    • 1...Sb1
      • 2.Sg3#
      • 2.Sxd6#
    • 1...Sf1
      • 2.Sxd6#
    • 1...Sf3
      • 2.Sg3#
      • 2.Sxd6#
      • 2.Rxe2#
    • 1...Sc4
      • 2.Sg3#
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qd4#
      • 1...Rxf2
        • 2.Qe3#
      • 1...Rg4
        • 2.Sxd6#
      • 1...Bg4
        • 2.Sg3#
      • 1...d4
        • 2.Qxd4#
      • 1...Sf3
        • 2.Rxe2#
      • 1...Se6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • R(b);SBLOCK::S(G),XP(g)
    • S(a);::S(G),XP(g)
    • S(a);::S(G)
  • Actual
    • Q(H);
    • Threat
      • QAR1(H)
    • Vars
      • R(b);N_GUARD,XR(C)::QAR1(H)
      • R(h);N_GUARD::S(G),XP(g)
      • B(f);S_CUTR(h)::S(G)
      • P(e);::QAR1(H),XP(e)
      • S(a);SBLOCK,S_CUTB(f)::R(C),XR(b)
      • S(i);S_CUTR(h)::S(G),XP(g)
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