MESON Chess Problem Database

Problem Display
PID: 253012 (5n2/3R3p/3rp3/8/1n1B3k/5B1N/3K1RPP/8 w - - 0 1)

Seidemann, Felix

Die Schwalbe, 1930

5n2/3R3p/3rp3/8/1n1B3k/5B1N/3K1RPP/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4+
      • 2.Rxd4#
    • 1...Ra6
      • 2.Bf6#
    • 1...Rb6
      • 2.Bf6#
    • 1...Rc6
      • 2.Bf6#
    • 1...Sd3
      • 2.Bf6#
    • 1...Sg6
      • 2.Rxh7#
  • Keys
    • 1.Re2!
      • threat
        • 2.Re4#
      • 1...Rxd4+
        • 2.Rxd4#
      • 1...Sd5
        • 2.Bf2#
      • 1...Sd3
        • 2.Bf6#
      • 1...Sg6
        • 2.Rxh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(c);CHECK,OGATE,XB(G)::R(H),XR(c)
    • R(c);N_PINB(G),SBLOCK::B(G)
    • R(c);N_PINB(G)::B(G)
    • S(a);N_PINB(G)::B(G)
    • S(f);N_GUARD::R(H),XP(e)
  • Actual
    • R(B);
    • Threat
      • R(B)
    • Vars
      • R(c);CHECK,OGATE,XB(G)::R(H),XR(c)
      • S(a);N_PINB(G)::B(G)
      • S(f);N_GUARD::R(H),XP(e)
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