MESON Chess Problem Database

Problem Display
PID: 103724 (Q7/2K5/4R3/2p1rp2/3k1p2/3p1P2/P1R1B3/8 w - - 0 1)

Rowland, Thomas B

Southern Weekly News, 1883

Q7/2K5/4R3/2p1rp2/3k1p2/3p1P2/P1R1B3/8

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe2
      • 2.Qd8#
    • 1...Re3
      • 2.Qd8#
  • Tries
    • 1.Qd5+?
      • 1...Ke3
        • 2.Qxc5#
      • 1...Kxd5
        • 2.Rd6#
      • 1...Rxd5!
  • Keys
    • 1.Qa5!
      • 1...Ke3
        • 2.Qxc5#
      • 1...Kd5
        • 2.Rd6#
      • 1...Rxe2
        • 2.Qxc5#
      • 1...Rxe6
        • 2.Qxc5#
      • 1...dxc2
        • 2.Qd2#
      • 1...dxe2
        • 2.Qd2#
      • 1...c4
        • 2.Qxe5#
      • 1...Re3
        • 2.Qxc5#
      • 1...Re4
        • 2.Qxc5#
      • 1...Rd5
        • 2.Qc3#
      • 1...d2
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,XB(C)::QAR(G)
    • R(e);N_GUARD::QAR(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);P_SPINR(e),S_FLIGHT::QAB(G),XP(d)
        • K(b);P-FLIGHT,XQ(G)::R1(E)
      • Refutation
        • R(e);XQ(G)
  • Actual
    • Q(G);
    • Vars
      • K(b);P_SPINR(e),S_FLIGHT::QAB(G),XP(d)
      • K(b);P-FLIGHT,P_SPINP(d)::R1(E)
      • R(e);N_GUARD,XB(C)::QAB1(G),XP(d)
      • R(e);N_GUARD,XR(E)::QAB1(G),XP(d)
      • P(a);OGATEB,XR(B)::QAR2(G)
      • P(a);OGATEB,XB(C)::QAR2(G)
      • P(d);OGATE::QAB1(G),XR(e)
      • R(e);N_GUARD::QAB1(G),XP(d)
      • R(e);SBLOCK::QAB1(G)
      • P(a);OGATEB::QAR2(G),XP(a)
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).