MESON Chess Problem Database

Problem Display
PID: 235686 (2N2b2/1B1PN3/1p5p/kp5r/Pn1pb3/K1nQq3/PPp5/1r2B3 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Mat, 1982

2N2b2/1B1PN3/1p5p/kp5r/Pn1pb3/K1nQq3/PPp5/1r2B3

#2

10 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Bxb4#
    • 1...Se2
      • 2.Bxb4#
    • 1...Sxa4
      • 2.Bxb4#
    • 1...Scd5
      • 2.Sc6#
    • 1...Sbd5
      • 2.Qxb5#
  • Tries
    • 1.d8B?
      • threat
        • 2.Bxb6#
      • 1...Sxa4
        • 2.Bxb4#
      • 1...Scd5
        • 2.Sc6#
      • 1...Sbd5
        • 2.Qxb5#
      • 1...Bxb7!
  • Keys
    • 1.d8Q!
      • threat
        • 2.Qxb6#
      • 1...Sxa4
        • 2.Bxb4#
      • 1...Scd5
        • 2.Sc6#
      • 1...Sbd5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • S(c);OGATE,P_PINQ(E),P_SPINS(e)::B(A),XS(e)
    • S(c);OGATE,P_PINQ(E),P_SPINS(e),XP(F)::B(A),XS(e)
    • S(c);P_PINQ(E),P_SPINS(e),S_CUTB(g)::S(I)
    • S(e);P_PINS(I),P_SPINS(c),S_CUTR(j)::QAR1(E),XP(i)
  • Tries
    • Try
      • P(H);P_PINP(k)
      • Threat
        • B(H),XP(k)
      • Vars
        • S(c);OGATE,P_PINQ(E),P_SPINS(e),XP(F)::B(A),XS(e)
        • S(c);P_PINQ(E),P_SPINS(e),S_CUTB(g)::S(I)
        • S(e);P_PINS(I),P_SPINS(c),S_CUTR(j)::QAR1(E),XP(i)
      • Refutation
        • B(g);XB(G)
  • Actual
    • P(H);P_PINP(k)
    • Threat
      • QAB1(H),XP(k)
    • Vars
      • S(c);OGATE,P_PINQ(E),P_SPINS(e),XP(F)::B(A),XS(e)
      • S(c);P_PINQ(E),P_SPINS(e),S_CUTB(g)::S(I)
      • S(e);P_PINS(I),P_SPINS(c),S_CUTR(j)::QAR1(E),XP(i)
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