MESON Chess Problem Database

Problem Display
PID: 174193 (6B1/1n2Bqp1/6N1/R1nk1pK1/1p1PR3/N3P3/1b6/1Q6 w - - 0 1)

Buchner, Richard

2nd Comm., Sachsische Arbeiter Schachkomponisten, 1926

6B1/1n2Bqp1/6N1/R1nk1pK1/1p1PR3/N3P3/1b6/1Q6

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Rxc5#
    • 1...Sd8
      • 2.Rxc5#
  • Keys
    • 1.Re6!
      • threat
        • 2.Sf4#
      • 1...Qxg6+
        • 2.Rxg6#
      • 1...Qf6+
        • 2.Rxf6#
      • 1...Qxe7+
        • 2.Sxe7#
      • 1...Kxe6
        • 2.Qxf5#
      • 1...Qxe6
        • 2.Qh1#
      • 1...Bxa3
        • 2.Qb3#
      • 1...bxa3
        • 2.Qa2#
      • 1...Sd6
        • 2.Rxd6#
      • 1...f4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • S(f);N_GUARD::R1(F),XS(c)
  • Actual
    • R(E);N_PINQ(g)
    • Threat
      • S(H)
    • Vars
      • Q(g);CHECK,OGATE,XS(H)::B(J)+R(E),XQ(g)
      • Q(g);CHECK,OGATEB::B(J)+R(E),XQ(g)
      • Q(g);CHECK,XB(I)::S(H),XQ(g)
      • K(d);N_SPINS(c),P_SPINQ(g),S_FLIGHT,XR(E)::QAB1(A),XP(e)
      • Q(g);P_SPINQ(g),XR(E)::QAB(A)
      • B(a);OGATE,XS(B)::QAB(A)
      • P(b);N_GUARD,XS(B)::QAB(A)
      • S(f);N_GUARD::R1(E),XS(f)
      • P(e);N_GUARD::QAB1(A)
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