MESON Chess Problem Database

Problem Display
PID: 107064 (8/4Q3/r3b3/2PNpR1p/1Prpk2K/2p5/2P5/8 w - - 0 1)

Keidanski, Theodore Hermann

Rivista Scacchistica Italiana, 1905

8/4Q3/r3b3/2PNpR1p/1Prpk2K/2p5/2P5/8

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Qh7#
    • 1...Bxd5
      • 2.Qxe5#
    • 1...Bd7
      • 2.Qxe5#
    • 1...Bf7
      • 2.Qxe5#
    • 1...Bc8
      • 2.Qxe5#
    • 1...Bg8
      • 2.Qxe5#
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxe5#
      • 1...Kxd5
        • 2.Qg2#
      • 1...Kxf5
        • 2.Qh7#
      • 1...Bxf5
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(G)
    • B(h);OGATE,P_SPINP(e),XS(E)::QAR1(G),XP(e)
    • B(h);OGATE,P_SPINP(e)::QAR1(G),XP(e)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G),XP(e)
    • Vars
      • K(d);P_SPINP(e),S_FLIGHT,XS(E)::QAB(G)
      • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(G)
      • B(h);SBLOCK,XR(F)::QAB(G)
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