MESON Chess Problem Database

Problem Display
PID: 157561 (7R/K2p4/1P4Bn/2QPrP2/RB2qk2/5N2/3P1NPP/8 w - - 0 1)

Segers, Marcel

Australasian Chess Review, 1930

7R/K2p4/1P4Bn/2QPrP2/RB2qk2/5N2/3P1NPP/8

#2

14 + 5

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Sh3#
    • 1...Sf7
      • 2.Rh4#
    • 1...Sg8
      • 2.Rh4#
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qxh6#
      • 1...Qxf5
        • 2.Bd6#
      • 1...Rxf5
        • 2.Bd6#
      • 1...Sxf5
        • 2.Rh4#
      • 1...Sg4
        • 2.Sh3#
      • 1...Sf7
        • 2.Rh4#
      • 1...Sg8
        • 2.Rh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK::S(B)
    • S(d);OGATE::R(N)
  • Actual
    • Q(H);
    • Threat
      • QAB(H),XS(d)
    • Vars
      • Q(a);OGATEB,P_SPINQ(a),XP(J)::R(F)+B(G)
      • R(c);OGATEB,P_SPINR(c),XP(J)::B(G)
      • S(d);OGATE,P_SPINS(d),XP(J)::R(N)
      • S(d);SBLOCK::S(B)
      • S(d);OGATE::R(N)
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