MESON Chess Problem Database

Problem Display
PID: 258681 (2R1RK2/3p1Qp1/p5pb/3P2N1/qpPk2r1/Br4pp/1PP1p3/2N2b2 w - - 0 1)

Pringle, TA

English Mechanic and World of Science, 1906

(First published on Fri Jan 19 1906)

2R1RK2/3p1Qp1/p5pb/3P2N1/qpPk2r1/Br4pp/1PP1p3/2N2b2

#2

11 + 14

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qb5
      • 2.Sxb3#
    • 1...Qa5
      • 2.Sxb3#
    • 1...Rxb2
      • 2.Bxb2#
    • 1...Rf3
      • 2.Sxf3#
    • 1...Re4
      • 2.Rxe4#
    • 1...Rf4
      • 2.Qxf4#
    • 1...Rxg5
      • 2.Qf4#
    • 1...Bg2
      • 2.Sxe2#
    • 1...d6
      • 2.Qa7#
  • Tries
    • 1.Qf2+?
      • 1...Re3
        • 2.Sf3#
        • 2.Qxe3#
      • 1...gxf2!
    • 1.c3+?
      • 1...bxc3
        • 2.Sf3#
      • 1...Rxc3!
  • Keys
    • 1.d6!
      • threat
        • 2.Qd5#
      • 1...Rxb2
        • 2.Bxb2#
      • 1...Rxg5
        • 2.Qf4#
      • 1...Qc6
        • 2.Sxb3#
      • 1...Re4
        • 2.Rxe4#
      • 1...Qb5
        • 2.Sxb3#
      • 1...Qa5
        • 2.Sxb3#
      • 1...Rf3
        • 2.Sxf3#
      • 1...Rf4
        • 2.Qxf4#
      • 1...Bg2
        • 2.Sxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(f);N_GUARD::S(A),XR(c)
    • R(c);OGATE,XP(B)::B(D),XR(c)
    • R(c);N_GUARD,P_PINQ(H)::S(G),XR(c)
    • R(i);N_GUARD::R1(J),XR(i)
    • R(i);N_GUARD,P_PINQ(H)::QAR2(H),XR(i)
    • R(i);N_GUARD,XS(G)::QAR2(H)
    • B(a);N_GUARD::S(A),XP(b)
    • P(m);OGATE::QAB(H)
  • Tries
    • Try
      • Q(H);CHECK
      • Refutation
        • P(d);XQ(H)
    • Try
      • P(C);CHECK
      • Vars
        • P(g);XP(C)::S(G)
      • Refutation
        • R(c);XP(C)
  • Actual
    • P(F);
    • Threat
      • QAR1(H)
    • Vars
      • R(c);OGATE,XP(B)::B(D),XR(c)
      • R(i);N_GUARD,XS(G)::QAR2(H)
      • Q(f);N_GUARD::S(A),XR(c)
      • R(i);N_GUARD::R1(J),XR(i)
      • R(c);N_GUARD,P_PINQ(H)::S(G),XR(c)
      • R(i);N_GUARD,P_PINQ(H)::QAR2(H),XR(i)
      • B(a);N_GUARD::S(A),XP(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).