MESON Chess Problem Database

Problem Display
PID: 120774 (8/8/Q4P2/4N3/3n4/2N1k1K1/2p5/4n2q w - - 0 1)

Vogel, Peter

Source?, 0000

8/8/Q4P2/4N3/3n4/2N1k1K1/2p5/4n2q

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg2
      • 2.Qd3#
    • 1...Sd3
      • 2.Sc4#
      • 2.Qxd3#
    • 1...Sef3
      • 2.Qd3#
  • Keys
    • 1.Qd3+!
      • 1...Sxd3
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::QAR1(D)
  • Actual
    • Q(D);CHECK
    • Vars
      • S(a);SBLOCK,XQ(D)::S(C)
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