MESON Chess Problem Database

Problem Display
PID: 77925 (1N6/3N4/6R1/p2k1BK1/R1np4/1n2p1p1/QB6/2rrb3 w - - 0 1)

Saarenheimo, Eero Johannes

Tyovaen Shakki, 1937

1N6/3N4/6R1/p2k1BK1/R1np4/1n2p1p1/QB6/2rrb3

#2

8 + 10

422 Suomen Tehtavaniekat 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Sbd2
      • 2.Rxa5#
    • 1...Scd2
      • 2.Rxd4#
  • Keys
    • 1.Kf4!
      • threat
        • 2.Be4#
      • 1...Sbd2
        • 2.Rxa5#
      • 1...Sc5
        • 2.Sb6#
      • 1...Scd2
        • 2.Rxd4#
      • 1...Sd6
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,P_SPINS(g),S_CUTB(c)::R(C),XP(i)
    • S(g);OGATE,P_SPINS(d)::R1(C),XP(h)
  • Actual
    • K(E);S_FLIGHT
    • Threat
      • B(D)
    • Vars
      • S(d);N_GUARD,P_SPINS(g),S_CUTB(c)::R(C),XP(i)
      • S(d);P_SPINS(g),SBLOCK::S(G)
      • S(g);OGATE,P_SPINS(d)::R1(C),XP(h)
      • S(g);P_SPINS(d),SBLOCK::B(D)
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