MESON Chess Problem Database

Problem Display
PID: 196774 (3N2B1/3pB2Q/1p3p2/2R5/3kp3/4b3/2Kn4/8 w - - 0 1)

Hartong, Jan

De Maasbode, 1919

3N2B1/3pB2Q/1p3p2/2R5/3kp3/4b3/2Kn4/8

#2

6 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.Rd5#
    • 1...bxc5
      • 2.Bxf6#
    • 1...f5
      • 2.Qg7#
      • 2.Qh8#
    • 1...d5
      • 2.Sc6#
    • 1...d6
      • 2.Se6#
  • Keys
    • 1.Qh3!
      • threat
        • 2.Qxd7#
      • 1...bxc5
        • 2.Bxf6#
      • 1...d5
        • 2.Sc6#
      • 1...d6
        • 2.Se6#
      • 1...Bg1
        • 2.Qc3#
      • 1...Bf2
        • 2.Qc3#
      • 1...Bf4
        • 2.Qc3#
      • 1...Bg5
        • 2.Qc3#
      • 1...Bh6
        • 2.Qc3#
      • 1...Sc4
        • 2.Rd5#
      • 1...f5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::R1(B)
    • P(e);SBLOCK,XR(B)::B(C),XP(f)
    • P(g);N_GUARD::S(E)
  • Actual
    • Q(D);
    • Threat
      • QAR(D),XP(g)
    • Vars
      • P(e);SBLOCK,XR(B)::B(C),XP(f)
      • P(g);N_GUARD::S(E)
      • B(b);OGATE::QAB1(D)
      • S(a);SBLOCK::R1(B)
      • P(f);OGATEB::QAB(D)
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