MESON Chess Problem Database

Problem Display
PID: 260726 (b4R2/8/1N1p2p1/1N4P1/r3kBP1/qr6/PbPp4/3K1Q2 w - - 0 1)

Paslack, Rainer

Die Schwalbe, 2022

b4R2/8/1N1p2p1/1N4P1/r3kBP1/qr6/PbPp4/3K1Q2

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Re8#
    • 1...Rd4
      • 2.Re8#
    • 1...Bc1
      • 2.Re8#
    • 1...Bc3
      • 2.Qe2#
      • 2.Qg2#
      • 2.Qd3#
      • 2.Qh1#
  • Tries
    • 1.c3?
      • threat
        • 2.Re8#
        • 2.Qe2#
      • 1...Rxc3
        • 2.Re8#
      • 1...Rxb5
        • 2.Qe2#
      • 1...Bxc3
        • 2.Qe2#
      • 1...Ra7
        • 2.Qe2#
      • 1...Bd5
        • 2.Qe2#
      • 1...Bc6
        • 2.Qe2#
      • 1...d5
        • 2.Qe2#
      • 1...Qc5!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qf4#
      • 1...Kxe3
        • 2.Qe2#
      • 1...Ke5
        • 2.Re8#
      • 1...Be5
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(d);S_CUTB(a)::R(J)
    • R(e);S_CUTB(a)::R(J)
    • B(a);N_GUARD::R(J)
  • Tries
    • Try
      • P(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);XP(D)::R(J)
        • R(d);XS(G)::QAR2(B)
        • B(a);XP(D)::QAR2(B)
        • R(e);::QAR2(B)
        • B(i);::QAR2(B)
        • P(g);::QAR2(B)
      • Refutation
        • Q(c);
  • Actual
    • B(E);
    • Threat
      • QAR1(B)
    • Vars
      • K(f);OGATEB,P-FLIGHT,XB(E)::QAR1(B)
      • K(f);P-FLIGHT,S_CUTB(a)::R(J)
      • B(a);SBLOCK::QAB1(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).