MESON Chess Problem Database

Problem Display
PID: 101057 (8/8/B1rpQ2K/P1PpP1B1/1n1k1N2/2p2p2/2P5/8 w - - 0 1)

Letzen, Einar

Good Companions, 1920

8/8/B1rpQ2K/P1PpP1B1/1n1k1N2/2p2p2/2P5/8

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd5+?
      • 1...Ke3
        • 2.Sh3#
      • 1...Sxd5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Sd3#
      • 1...dxc5+
        • 2.Sg6#
      • 1...dxe5+
        • 2.Se6#
      • 1...Ke3
        • 2.Sh3#
      • 1...Ke4
        • 2.Sd3#
        • 2.Sg6#
      • 1...Kxc5
        • 2.Se6#
      • 1...Kxe5
        • 2.Sg6#
      • 1...Sd3
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);CHECK,XP(e)
      • Vars
        • K(d);S_FLIGHT::B(F)+S(B)
      • Refutation
        • S(c);XQ(H)
  • Actual
    • Q(H);
    • Threat
      • QAR(H)+S(B)
    • Vars
      • P(g);CHECK,SBLOCK,XP(D)::QAR(H)+S(B)
      • P(g);CHECK,SBLOCK,XP(E)::QAR(H)+S(B),DCHECK
      • K(d);S_FLIGHT::B(F)+S(B)
      • K(d);S_FLIGHT,XP(D)::S(B)
      • K(d);S_FLIGHT,XP(E)::S(B)
      • S(c);::QAR(H)+S(B),XS(c)
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