MESON Chess Problem Database

Problem Display
PID: 121374 (7Q/4B3/3r2p1/p3NPK1/3k2p1/P1N5/1P2PP2/3r4 w - - 0 1)

Schlechter, Carl

Source?, 1917

7Q/4B3/3r2p1/p3NPK1/3k2p1/P1N5/1P2PP2/3r4

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.e3#
    • 1...Ra6
      • 2.e3#
    • 1...Rb6
      • 2.e3#
    • 1...Rc6
      • 2.e3#
    • 1...Re6
      • 2.e3#
    • 1...Rd7
      • 2.e3#
    • 1...Rd8
      • 2.e3#
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qxd6#
      • 1...Kc5
        • 2.Qa7#
      • 1...Kxe5
        • 2.Bf6#
      • 1...Rf6
        • 2.e3#
      • 1...Rd5
        • 2.e3#
      • 1...Ra6
        • 2.e3#
      • 1...Rb6
        • 2.e3#
      • 1...Rc6
        • 2.e3#
      • 1...Re6
        • 2.e3#
      • 1...Rd7
        • 2.e3#
      • 1...Rd8
        • 2.e3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);::P(B)
  • Actual
    • Q(J);
    • Threat
      • QAR2(J),XR(e)
    • Vars
      • K(b);P_SPINR(e),S_FLIGHT::QAB(J)
      • K(b);OGATEB,P_SPINR(e),S_FLIGHT,XS(F)::B(I)
      • R(e);::P(B)
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