MESON Chess Problem Database

Problem Display
PID: 20873 (8/B4p1p/n4Q2/2rbP2K/8/RN2kp2/R7/2N5 w - - 0 1)

Mendes de Moraes Filho, Feliciano

1st Prize, Bolton Football and Field, 1913

8/B4p1p/n4Q2/2rbP2K/8/RN2kp2/R7/2N5

#2

8 + 7

3360 Simple Two-move Themes 1924
5424 Versunkene Schatze 1998
56 The Problemist 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qg5#
      • 2.Qh6#
    • 1...f2
      • 2.Re2#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Qf4#
      • 1...Ke4
        • 2.Qf4#
      • 1...h6+!
    • 1.Bxc5+?
      • 1...Ke4
        • 2.Sd2#
      • 1...Sxc5!
    • 1.Qh4?
      • threat
        • 2.Qd4#
      • 1...Bxb3
        • 2.Rxb3#
      • 1...Be4
        • 2.Qg5#
      • 1...f2!
  • Keys
    • 1.e6!
      • threat
        • 2.Qd4#
      • 1...Bxb3+
        • 2.Qe5#
      • 1...Bc4+
        • 2.Qe5#
      • 1...Be4+
        • 2.Qg5#
      • 1...Bc6+
        • 2.Sxc5#
      • 1...Bxe6+
        • 2.Qe5#
      • 1...Bb7+
        • 2.Sxc5#
      • 1...Ba8+
        • 2.Sxc5#
      • 1...Ke4
        • 2.Sd2#
      • 1...f2
        • 2.Re2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::R1(B)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Threat
        • QAB1(G)
      • Vars
        • K(a);N_SPINR(c),P-FLIGHT::QAR1(G)
      • Refutation
        • P(g);CHECK
    • Try
      • B(H);CHECK,XR(c)
      • Vars
        • K(a);P-FLIGHT::S(D)
      • Refutation
        • S(e);XB(H)
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • B(d);OGATE,P_PINP(E),P_SPINB(d),XS(D)::R(C),XB(d)
        • B(d);P_PINP(E),SBLOCK::QAB(G)
      • Refutation
        • P(b);
  • Actual
    • P(E);
    • Threat
      • QAB1(G)
    • Vars
      • B(d);CHECK,N_GUARD,P_SPINB(d),XS(D)::QAR2(G)
      • B(d);CHECK,N_GUARD::QAR2(G)
      • B(d);CHECK,SBLOCK::QAB(G)
      • B(d);CHECK,N_GUARD::R(C)+S(D),XR(c)
      • B(d);CHECK,N_GUARD,XP(E)::QAR2(G)
      • K(a);N_SPINR(c),P-FLIGHT::S(D)
      • P(b);N_GUARD::R1(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).