MESON Chess Problem Database

Problem Display
PID: 52827 (4K3/6p1/3p2p1/3P1np1/1P1k1rQ1/1PNP4/1P2P1nB/N2R4 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Schach, 2004

4K3/6p1/3p2p1/3P1np1/1P1k1rQ1/1PNP4/1P2P1nB/N2R4

#2

12 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Re4+
      • 2.Qxe4#
    • 1...Rxg4
      • 2.Sc2#
  • Keys
    • 1.Qxg5!
      • 1...Re4+
        • 2.dxe4#
      • 1...Ke3
        • 2.Bg1#
      • 1...Ke5
        • 2.d4#
      • 1...Rf1
        • 2.Sc2#
      • 1...Rf2
        • 2.Sc2#
      • 1...Rf3
        • 2.Sc2#
      • 1...Rg4
        • 2.Sc2#
      • 1...Rh4
        • 2.Sc2#
      • 1...Se1
        • 2.Qxf4#
      • 1...Sge3
        • 2.Qxf4#
      • 1...Sgh4
        • 2.Qxf4#
      • 1...Sfe3
        • 2.Sb5#
      • 1...Sg3
        • 2.Sc2#
      • 1...Sfh4
        • 2.Sc2#
      • 1...Sh6
        • 2.Sc2#
      • 1...Se7
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • R(c);CHECK,OGATE::QAR1(J),XR(c)
    • R(c);N_SPINR(c),XQ(J)::S(A)
  • Actual
    • Q(J);N_PINR(c),XP(e)
    • Vars
      • R(c);CHECK,OGATE::R(B)+P(H),XR(c)
      • K(b);P_SPINR(c),S_FLIGHT::B(E)
      • K(b);OGATE,P_SPINR(c),P_SPINS(d),S_FLIGHT::P(H)
      • R(c);::S(A)
      • S(a);N_GUARD::QAR2(J),XR(c)
      • S(d);SBLOCK::S(G)
      • S(d);::S(A)
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