MESON Chess Problem Database

Problem Display
PID: 43274 (1BrR4/1Bpbr3/1bNPkpP1/3p1p2/1Q3P2/8/4K3/8 w - - 0 1)

Markevitch, Alex

StrateGems, 2002

1BrR4/1Bpbr3/1bNPkpP1/3p1p2/1Q3P2/8/4K3/8

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd8
      • 2.Sxd8#
    • 1...Bd4
      • 2.Sxd4#
    • 1...Ba5
      • 2.Sd4#
    • 1...cxd6
      • 2.Qxd6#
  • Keys
    • 1.Qxb6!
      • threat
        • 2.Sd4#
      • 1...Kxd6+
        • 2.Se5#
      • 1...Bxc6
        • 2.Qe3#
      • 1...d4
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(i);XR(I)::S(D),XR(i)
    • B(c);N_GUARD::S(D),XB(c)
    • B(c);N_GUARD::S(D)
    • P(f);OGATE,XP(E)::QAR1(B),XP(f)
  • Actual
    • Q(B);XB(c)
    • Threat
      • S(D)
    • Vars
      • K(d);CHECK,P-FLIGHT,P_SPINB(g),P_SPINP(f),XP(E)::QAR(B)+S(D)
      • B(g);XS(D)::QAR(B)
      • P(a);::S(D),XP(a)
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