MESON Chess Problem Database

Problem Display
PID: 140636 (6B1/N6n/r1p4K/p1p2R2/Q1nk4/p1qp1P2/3p1P2/1r1N4 w - - 0 1)

Saarenheimo, Eero Johannes

The Problemist, 1936

6B1/N6n/r1p4K/p1p2R2/Q1nk4/p1qp1P2/3p1P2/1r1N4

#2

8 + 12

102 Probleemblad 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Qxc4#
    • 1...Qb2
      • 2.Qxc4#
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Rd5#
      • 1...Rxc6+
        • 2.Sxc6#
      • 1...Sb2
        • 2.Sb5#
      • 1...Se3
        • 2.fxe3#
      • 1...Se5
        • 2.Rf4#
      • 1...Sb6
        • 2.Qe4#
      • 1...Sd6
        • 2.Qd5#
      • 1...Sf6
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • Q(d);N_GUARD::QAR1(D),XS(f)
  • Actual
    • Q(D);N_PINS(f),P_SPINQ(D),XP(k)
    • Threat
      • R1(E)
    • Vars
      • R(j);CHECK,XQ(D)::S(G),XR(j)
      • S(f);S_CUTR(a)::S(G)
      • S(f);OGATE::P(B),XS(f)
      • S(f);SBLOCK::R(E)
      • S(f);N_PINQ(D)::QAR1(D)
      • S(l);N_PINQ(D)::QAB1(D),XP(i)
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