MESON Chess Problem Database

Problem Display
PID: 11585 (3R1nq1/K3p1Q1/p1N4r/2knNRb1/Pp5r/1p1B2B1/3P2b1/8 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

1st Prize, Skakbladet, 1939

3R1nq1/K3p1Q1/p1N4r/2knNRb1/Pp5r/1p1B2B1/3P2b1/8

#2

10 + 12

3098 FIDE Album (1914-1944) (I) 1971
15593 170 Skakopgaver (Jorgensen) 1975
56 The Problemist 2012
15422 Problemskak 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Bf2#
    • 1...Sf6
      • 2.Qxe7#
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sxb3#
      • 1...Kd4
        • 2.Sxb3#
      • 1...Sd7
        • 2.Sxd7#
      • 1...Sc3
        • 2.Sd7#
      • 1...Se3
        • 2.Sd7#
      • 1...Sf4
        • 2.Bf2#
      • 1...Sb6
        • 2.Sd7#
      • 1...Sf6
        • 2.Qxe7#
      • 1...Sc7
        • 2.Sd7#
      • 1...b2
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD,S_CUTB(g),S_CUTR(d)::B(C)
    • S(f);N_GUARD,S_CUTB(g),S_CUTR(i)::QAB(I),XP(j)
  • Actual
    • S(G);
    • Threat
      • S(G),XP(b)
    • Vars
      • K(e);P_SPINS(f),S_FLIGHT::S(G),XP(b)
      • S(k);N_GUARD::S(E),XS(k)
      • S(f);::R(F)+S(E),DCHECK
      • S(f);N_GUARD,S_CUTB(g),S_CUTR(d)::B(C)
      • S(f);N_GUARD,S_CUTB(g),S_CUTR(i)::QAB(I),XP(j)
      • P(b);::S(G)
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