MESON Chess Problem Database

Problem Display
PID: 174123 (b2r1qN1/8/6p1/2P1k3/4B1Q1/3R1p2/5B2/K7 w - - 0 1)

Buchner, Richard

Sachsische Arbeiter Schachkomponisten, 1927

b2r1qN1/8/6p1/2P1k3/4B1Q1/3R1p2/5B2/K7

#2

7 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc5
      • 2.Bg3#
    • 1...Qd6
      • 2.Bg3#
    • 1...Qe7
      • 2.Bg3#
    • 1...Qg7
      • 2.Bg3#
    • 1...Qe8
      • 2.Bg3#
    • 1...Rd4
      • 2.Bxd4#
    • 1...Rb8
      • 2.Bd4#
    • 1...Rc8
      • 2.Bd4#
    • 1...Re8
      • 2.Bd4#
    • 1...Bd5
      • 2.Bd4#
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qe4#
      • 1...Qxc5
        • 2.Bg3#
      • 1...Qxg8
        • 2.Qg5#
      • 1...Rxd5
        • 2.Re3#
      • 1...Bxd5
        • 2.Bd4#
      • 1...Qf4
        • 2.Qe6#
      • 1...Qf5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • Q(f);N_GUARD,XP(F)::B(B)
    • Q(f);N_GUARD::B(B)
    • R(e);N_GUARD::B(B),XR(e)
    • R(e);N_GUARD::B(B)
    • B(d);S_CUTR(e)::B(B)
  • Actual
    • B(D);
    • Threat
      • QAR1(E)
    • Vars
      • Q(f);N_GUARD,XP(F)::B(B)
      • Q(f);N_GUARD,XS(G)::QAR2(E)
      • R(e);SBLOCK,XB(D)::R(C)
      • B(d);SBLOCK,XB(D)::B(B)
      • Q(f);SBLOCK::QAR1(E)
      • Q(f);SBLOCK::QAB1(E)
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