MESON Chess Problem Database

Problem Display
PID: 9534 (K6b/Bp2Q3/1r2p1p1/1p2kp2/3R3n/2p1pp2/3N4/7q w - - 0 1)

Mackenzie, Arthur Ford

Chess Lyrics, 1905

K6b/Bp2Q3/1r2p1p1/1p2kp2/3R3n/2p1pp2/3N4/7q

#2

5 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qd6#
    • 1...Bf6
      • 2.Qc5#
    • 1...Bg7
      • 2.Qxg7#
    • 1...Sg2
      • 2.Sxf3#
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qxh8#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Bf6
        • 2.Qc5#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Sg2
        • 2.Sxf3#
      • 1...f4
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(g);N_SPINP(j),P_SPINR(i),S_FLIGHT,XR(B)::QAR2(D)
    • B(m);SBLOCK::QAR2(D)
    • B(m);N_GUARD::QAB(D),XB(m)
    • S(e);N_GUARD,S_CUTQ(a)::S(A),XP(d)
  • Actual
    • Q(D);N_PINP(j)
    • Threat
      • QAB(D),XB(m)
    • Vars
      • K(g);P_SPINR(i),S_FLIGHT,XR(B)::QAR2(D)
      • B(m);SBLOCK::QAR2(D)
      • B(m);N_GUARD::QAB(D),XB(m)
      • S(e);N_GUARD,S_CUTQ(a)::S(A),XP(d)
      • P(h);OGATE::QAB1(D),XP(h)
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