MESON Chess Problem Database

Problem Display
PID: 240656 (3R2Q1/3bN3/1n3r1q/1B1p2b1/pK1k4/2p3B1/3N1P2/8 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Thema Danicum, 1984

3R2Q1/3bN3/1n3r1q/1B1p2b1/pK1k4/2p3B1/3N1P2/8

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Sf5#
    • 1...Be6
      • 2.Sc6#
    • 1...Sc4
      • 2.Qxd5#
    • 1...Sa8
      • 2.Qxd5#
    • 1...Sc8
      • 2.Qxd5#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Be5#
        • 2.Qe5#
      • 1...Rxf2
        • 2.Qe5#
      • 1...Rxe6
        • 2.Sf5#
      • 1...Bxd2
        • 2.Qe5#
      • 1...Bxb5
        • 2.Qe4#
      • 1...Bxe6
        • 2.Sc6#
      • 1...cxd2
        • 2.Qe5#
      • 1...Sc4
        • 2.Qxd5#
      • 1...Qh2
        • 2.Qe5#
      • 1...Rf4
        • 2.Qe3#
      • 1...Rf5
        • 2.Sxf5#
      • 1...Bf4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • R(g);N_GUARD,S_CUTB(i)::S(F)
    • B(i);N_GUARD,P_SPINP(d),S_CUTR(g)::S(F)
    • S(f);N_GUARD::QAR1(H),XP(d)
  • Actual
    • Q(H);
    • Threat
      • DUALS(2)
    • Vars
      • R(g);XP(B)::QAB1(H)
      • R(g);N_GUARD,XQ(H)::S(F)
      • B(e);XS(A)::QAB1(H)
      • B(i);P_SPINP(d),XB(E)::QAR1(H)
      • B(i);N_GUARD,P_SPINP(d),XQ(H)::S(F)
      • P(a);XS(A)::QAB1(H)
      • S(f);N_GUARD::QAR1(H),XP(d)
      • Q(h);::QAB1(H)
      • R(g);S_CUTB(e)::QAB1(H)
      • R(g);N_GUARD::S(F),XR(g)
      • B(e);S_CUTR(g)::S(A)
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