MESON Chess Problem Database

Problem Display
PID: 233966 (8/2p1p1B1/2b1R1r1/3nQ3/3r1p2/PBkn1R2/3N4/1K3Nb1 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Comm., Skakbladet, 1990

8/2p1p1B1/2b1R1r1/3nQ3/3r1p2/PBkn1R2/3N4/1K3Nb1

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rg2
      • 2.Rxc6#
    • 1...Rg3
      • 2.Rxc6#
    • 1...Rg4
      • 2.Rxc6#
    • 1...Rg5
      • 2.Rxc6#
    • 1...Rxg7
      • 2.Rxc6#
    • 1...Bh2
      • 2.Qxd4#
    • 1...Se3
      • 2.Qxd4#
    • 1...Sb4
      • 2.Qc5#
    • 1...Sb6
      • 2.Qa5#
    • 1...Sf6
      • 2.Rxc6#
  • Tries
    • 1.Ka2?
      • threat
        • 2.Sb1#
        • 2.Se4#
      • 1...Rg2
        • 2.Rxc6#
      • 1...Se3
        • 2.Sb1#
        • 2.Qxd4#
      • 1...Sb6
        • 2.Sb1#
        • 2.Qa5#
      • 1...Sf6
        • 2.Sb1#
        • 2.Rxc6#
      • 1...Sb4+!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Se4#
      • 1...Se3
        • 2.Qxd4#
      • 1...Sb4
        • 2.Qc5#
      • 1...Sb6
        • 2.Qa5#
      • 1...Sf6
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(h);N_GUARD::R(H),XB(g)
    • R(h);N_GUARD,XB(I)::R(H),XB(g)
    • B(a);N_GUARD::QAB1(G),XR(d)
    • S(f);N_SPINS(c),S_CUTB(a)::QAB1(G),XR(d)
    • S(f);OGATE::QAR2(G)
    • S(f);OGATE::QAB(G)
    • S(f);S_CUTR(h)::R(H),XB(g)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • R(h);N_GUARD,P_PINS(C)::R(H),XB(g)
      • Refutation
        • S(f);CHECK
  • Actual
    • B(E);
    • Threat
      • S(C)
    • Vars
      • S(f);N_SPINS(c),S_CUTB(a)::QAB1(G),XR(d)
      • S(f);OGATE::QAR2(G)
      • S(f);OGATE::QAB(G)
      • S(f);S_CUTR(h)::R(H),XB(g)
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