MESON Chess Problem Database

Problem Display
PID: 134144 (8/K3N3/5Rq1/2p1k3/Q2NbR2/2p1n1n1/8/6B1 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Sachsische Zeitung, 1999

8/K3N3/5Rq1/2p1k3/Q2NbR2/2p1n1n1/8/6B1

#2

7 + 7

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Sf3#
      • 2.Sdc6#
    • 1...Bc2
      • 2.Sf3#
      • 2.Sdc6#
    • 1...Bd3
      • 2.Sf3#
      • 2.Sdc6#
    • 1...Bf3
      • 2.Sxf3#
    • 1...Bd5
      • 2.Sxg6#
    • 1...Bc6
      • 2.Sdxc6#
    • 1...Sd5
      • 2.Sdc6#
      • 2.Sec6#
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qd6#
      • 1...Kxd4
        • 2.Qd5#
      • 1...Qxf6
        • 2.Qxf6#
      • 1...Bxc6
        • 2.Sdxc6#
      • 1...Sgf5
        • 2.Rxe4#
      • 1...Sc4
        • 2.Qe6#
      • 1...Sef5
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • B(d);N_GUARD::S(C),XB(d)
    • B(d);N_GUARD,SBLOCK::S(G),XQ(g)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(f);P_SPINB(d),P_SPINS(b),S_FLIGHT,XS(C)::QAR1(B)
      • Q(g);OGATE,XR(E)::QAB1(B),XQ(g)
      • B(d);XQ(B)::S(C),XB(d)
      • S(c);N_GUARD,S_CUTQ(g)::R1(D),XB(d)
      • S(b);::QAR1(B)
      • S(b);S_CUTB(d)::S(G),XQ(g)
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