MESON Chess Problem Database

Problem Display
PID: 268349 (6Q1/B3p3/2p5/pNP4p/pkB3qR/p5p1/P2RN3/2K5 w - - 0 1)

Moen, Kabe

Die Schwalbe, 2022

6Q1/B3p3/2p5/pNP4p/pkB3qR/p5p1/P2RN3/2K5

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe2
      • 2.Bxe2#
    • 1...Qxc4+
      • 2.Qxc4#
  • Keys
    • 1.Qb8!
      • threat
        • 2.Sd6#
      • 1...Qxc4+
        • 2.Sbc3#
      • 1...Kxc4
        • 2.Sxa3#
      • 1...Qxe2
        • 2.Bxe2#
      • 1...cxb5
        • 2.Qxb5#
      • 1...Qd7
        • 2.Sc7#
      • 1...Qc8
        • 2.Be6#
      • 1...Qg8
        • 2.Bxg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(e);OGATE,XS(D)::R(F)+B(E),XQ(e)
    • Q(e);CHECK,OGATE,P_SPINQ(e),XB(E)::QAR1(J),XQ(e)
  • Actual
    • Q(J);
    • Threat
      • QAR(J)+S(G)
    • Vars
      • Q(e);CHECK,P_SPINQ(e),XB(E)::QAR(J)+S(G)
      • K(d);N_GUARD,P-FLIGHT,P_SPINQ(e),XB(E)::S(G),XP(a)
      • Q(e);OGATE,XS(D)::R(F)+B(E),XQ(e)
      • P(h);OGATE,P_SPINP(h),XS(G)::QAR1(J),XP(h)
      • Q(e);::QAR(J)+S(G)
      • Q(e);OGATEB::R(F)+B(E)
      • Q(e);OGATEB::R(F)+B(E),XQ(e)
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