MESON Chess Problem Database

Problem Display
PID: 204380 (2K3b1/2RN2Bq/6p1/1p2P3/3k4/4N3/4R2p/bQn5 w - - 0 1)

Mosely, Arthur James

2nd Prize, Bristol Times and Mirror, 1925

2K3b1/2RN2Bq/6p1/1p2P3/3k4/4N3/4R2p/bQn5

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.e6#
  • Tries
    • 1.Rd2+?
      • 1...Sd3
        • 2.Qxd3#
      • 1...Kxe3!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qxa1#
      • 1...Qh3+
        • 2.e6#
      • 1...Be6+
        • 2.Sxe6#
      • 1...Kc3
        • 2.Se6#
      • 1...Sxe2
        • 2.Qd3#
      • 1...Bb2
        • 2.Qxb2#
      • 1...Bc3
        • 2.Qe4#
      • 1...Sa2
        • 2.Qd3#
      • 1...Sb3
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • Q(g);N_GUARD,P_PINS(F)::B(G)+P(D)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR1(A),XS(b)
      • Refutation
        • K(d);S_FLIGHT,XS(C)
  • Actual
    • S(F);
    • Threat
      • QAB(A),XB(a)
    • Vars
      • Q(g);CHECK,N_GUARD::B(G)+P(D)
      • B(h);CHECK,N_GUARD::S(F),XB(h)
      • K(d);S_FLIGHT::R(E)+S(F)
      • S(b);N_GUARD,XR(B)::QAR1(A)
      • B(a);N_GUARD::QAB(A),XB(a)
      • B(a);SBLOCK::QAR1(A)
      • S(b);N_GUARD::QAR1(A)
      • S(b);N_GUARD::QAR1(A),XS(b)
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).