MESON Chess Problem Database

Problem Display
PID: 240292 (K7/6N1/Bp3p2/3kn2Q/1PRn1B2/3pP3/8/8 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Problem-Forum, 2005

K7/6N1/Bp3p2/3kn2Q/1PRn1B2/3pP3/8/8

#2

8 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Rxd4#
  • Keys
    • 1.Qe8!
      • threat
        • 2.Rxd4#
      • 1...Ke4
        • 2.Bb7#
      • 1...Kd6
        • 2.Qd8#
      • 1...Sxc4
        • 2.e4#
      • 1...Sc2
        • 2.Qe6#
      • 1...Se2
        • 2.Qe6#
      • 1...Sb3
        • 2.Qe6#
      • 1...Sdf3
        • 2.Qe6#
      • 1...Sb5
        • 2.Qe6#
      • 1...Sf5
        • 2.Qe6#
      • 1...Sdc6
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sef3
        • 2.e4#
      • 1...Sec6
        • 2.e4#
      • 1...Sd7
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINS(d),P_SPINS(b),S_FLIGHT::R1(C),XS(b)
  • Actual
    • Q(E);N_PINS(d)
    • Threat
      • R1(C),XS(b)
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::B(F)
      • K(c);P-FLIGHT,P_SPINS(d)::QAR2(E)
      • S(d);XR(C)::P(A)
      • S(b);N_GUARD::QAB1(E)
      • S(b);N_GUARD::QAB1(E),XS(b)
      • S(d);::P(A)
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