MESON Chess Problem Database

Problem Display
PID: 213904 (8/2NpQ1bB/1p6/n1R5/q2k4/2p4K/8/8 w - - 0 1)

Bachmann, M

Freie Presse, 1985

8/2NpQ1bB/1p6/n1R5/q2k4/2p4K/8/8

#2

5 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Sb5#
    • 1...Qc2
      • 2.Sb5#
    • 1...Qb5
      • 2.Sxb5#
    • 1...Qa1
      • 2.Sb5#
    • 1...Qa2
      • 2.Sb5#
    • 1...Qa3
      • 2.Sb5#
    • 1...Be5
      • 2.Qxe5#
    • 1...Bh6
      • 2.Qe5#
    • 1...Bf8
      • 2.Qe5#
    • 1...Sc4
      • 2.Rd5#
    • 1...bxc5
      • 2.Qe4#
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qg1#
      • 1...bxc5
        • 2.Qf4#
      • 1...d5
        • 2.Se6#
      • 1...Qd1
        • 2.Sb5#
      • 1...Qc2
        • 2.Sb5#
      • 1...Qa1
        • 2.Sb5#
      • 1...Qa2
        • 2.Sb5#
      • 1...Bh6
        • 2.Qe5#
      • 1...Sc4
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(b);N_GUARD::S(C)
    • Q(b);N_GUARD::S(C),XQ(b)
    • B(g);N_GUARD::QAB1(D),XB(g)
    • B(g);N_GUARD::QAB1(D)
    • S(d);SBLOCK::R1(B)
    • P(e);SBLOCK,XR(B)::QAR1(D)
  • Actual
    • Q(D);
    • Threat
      • QAB(D)
    • Vars
      • P(e);SBLOCK,XR(B)::QAR2(D)
      • P(f);N_GUARD::S(C)
      • Q(b);N_GUARD::S(C)
      • B(g);N_GUARD::QAB1(D)
      • S(d);SBLOCK::R1(B)
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