MESON Chess Problem Database

Problem Display
PID: 175087 (1Q6/4p3/2PR2nr/1K2kpn1/5N2/b2p1PP1/8/1b6 w - - 0 1)

Kosek, Wojtech

4th Prize, Illustracyja Polska, 1902

1Q6/4p3/2PR2nr/1K2kpn1/5N2/b2p1PP1/8/1b6

#2

7 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Sxg6#
    • 1...Rh2
      • 2.Sxg6#
    • 1...Rh3
      • 2.Sxg6#
    • 1...Rh4
      • 2.Sxg6#
    • 1...Rh5
      • 2.Sxg6#
    • 1...Rh7
      • 2.Sxg6#
    • 1...Rh8
      • 2.Sxg6#
    • 1...Ba2
      • 2.Sxd3#
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qd4#
      • 1...Kxd6
        • 2.Qb8#
      • 1...Bxd6
        • 2.Qa1#
      • 1...Sxf3
        • 2.Re6#
      • 1...exd6
        • 2.Qg7#
      • 1...Se6
        • 2.Rxe6#
      • 1...Bb2
        • 2.Qc5#
      • 1...Bc5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 8
  • Sets
    • R(h);N_GUARD::S(C),XS(g)
    • B(a);N_GUARD::S(C),XP(c)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(G)
      • B(b);OGATE,SBLOCK,XR(F)::QAB(G)
      • S(f);N_GUARD,XP(A)::R1(F)
      • P(i);OGATE,SBLOCK,XR(F)::QAB(G)
      • S(f);N_GUARD::R1(F),XS(f)
      • B(b);N_GUARD::QAR2(G)
      • B(b);N_GUARD::QAR2(G),XB(b)
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