MESON Chess Problem Database

Problem Display
PID: 213704 (8/PppN3R/2k5/1p1p3K/r1p3p1/1n2P2B/2N4B/4Q3 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1996

8/PppN3R/2k5/1p1p3K/r1p3p1/1n2P2B/2N4B/4Q3

#2

9 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sb4#
    • 1...Ra2
      • 2.Sb4#
    • 1...Ra3
      • 2.Sb4#
    • 1...Rb4
      • 2.Sxb4#
    • 1...Ra5
      • 2.Sb4#
    • 1...Ra6
      • 2.Sb4#
    • 1...Rxa7
      • 2.Sb4#
    • 1...Sa1
      • 2.Sd4#
    • 1...Sc1
      • 2.Sd4#
    • 1...Sd2
      • 2.Sd4#
    • 1...Sd4
      • 2.Sxd4#
    • 1...Sa5
      • 2.Sd4#
    • 1...Sc5
      • 2.Sd4#
    • 1...g3
      • 2.Rh6#
    • 1...d4
      • 2.Bg2#
      • 2.Qh1#
  • Tries
    • 1.Qg3?
      • threat
        • 2.Qxc7#
      • 1...d4
        • 2.Bg2#
        • 2.Qg2#
      • 1...b4!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qxc7#
      • 1...Rxa5
        • 2.Sb4#
      • 1...Sxa5
        • 2.Sd4#
      • 1...g3
        • 2.Rh6#
      • 1...d4
        • 2.Bg2#
      • 1...b6
        • 2.a8Q#
        • 2.a8B#
      • 1...b4
        • 2.Sb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • R(b);N_GUARD::S(B)
    • R(b);N_GUARD::S(B),XR(b)
    • R(b);N_GUARD,XP(G)::S(B)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • P(d);::R(I)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(i)
      • Refutation
        • P(e);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XP(i)
    • Vars
      • R(b);N_GUARD,XQ(A)::S(B)
      • S(a);N_GUARD,XQ(A)::S(B)
      • P(d);::R(I)
      • P(f);OGATEB::B(E)
      • P(h);::P=Q
      • P(e);::S(H)
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