MESON Chess Problem Database

Problem Display
PID: 83598 (4B2n/R3B3/4k3/Q7/2p2P2/4n3/K3b3/b3Rr2 w - - 0 1)

Ellerman, Arnoldo

Western Morning News, 1925

(First published on Sat Aug 8 1925)

4B2n/R3B3/4k3/Q7/2p2P2/4n3/K3b3/b3Rr2

#2

7 + 7

6490 yacpdb 2009
15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Qxe5#
    • 1...Bf3
      • 2.f5#
    • 1...c3
      • 2.Qe5#
  • Keys
    • 1.Qc5!
      • threat
        • 2.Ra6#
      • 1...Be5
        • 2.Qxe5#
      • 1...Sd5
        • 2.Qc8#
      • 1...Bf3
        • 2.f5#
      • 1...Sf5
        • 2.Qxc4#
      • 1...Sf7
        • 2.Bd7#
      • 1...c3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAR1(D),XB(a)
    • B(c);P_SPINS(d),S_CUTR(b)::P(C)
    • P(e);S_CUTB(a)::QAR1(D)
  • Actual
    • Q(D);
    • Threat
      • R(E)
    • Vars
      • B(a);N_GUARD::QAR1(D),XB(a)
      • S(d);P_SPINB(c),SBLOCK::QAB(D)
      • B(c);P_SPINS(d),S_CUTR(b)::P(C)
      • S(d);N_GUARD,P_SPINB(c),SBLOCK::QAB(D),XP(e)
      • S(g);SBLOCK::B(G)
      • P(e);S_CUTB(a)::QAR1(D)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).