MESON Chess Problem Database

Problem Display
PID: 228997 (4Q3/5p1B/r5pK/3PBb2/3PkNR1/2Prq3/3P2P1/1N2R3 w - - 0 1)

Regos, Imre

2nd Prize, BCPS, 1926

4Q3/5p1B/r5pK/3PBb2/3PkNR1/2Prq3/3P2P1/1N2R3

#2

13 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Sxd2#
    • 1...Rxc3
      • 2.Sxc3#
    • 1...Rxd4
      • 2.Rxe3#
    • 1...g5+
      • 2.Bd6#
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qxd3#
      • 1...g5+
        • 2.Se6#
      • 1...Rxd2
        • 2.Sxd2#
      • 1...Rxc3
        • 2.Sxc3#
      • 1...Rxd4
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(a);XP(C)::S(A),XR(a)
    • R(a);XP(E)::S(A),XR(a)
    • R(a);N_GUARD,XP(F)::R1(B),XQ(b)
    • P(f);CHECK,N_PINS(G),P_SPINB(d)::QAR(M)+B(J)
  • Actual
    • Q(M);
    • Threat
      • QAB1(M),XR(a)
    • Vars
      • P(f);CHECK,N_PINS(G),P_SPINB(d)::R(H)+S(G)
      • R(a);XP(C)::S(A),XR(a)
      • R(a);XP(E)::S(A),XR(a)
      • R(a);N_GUARD,XP(F)::R1(B),XQ(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).