MESON Chess Problem Database

Problem Display
PID: 244724 (8/8/3BB3/1r2PNrR/1N3kpP/3Pp3/1qPPKb1P/Q7 w - - 0 1)

Colaneri, Bruno

Candela MT (Problemas), 2018

8/8/3BB3/1r2PNrR/1N3kpP/3Pp3/1qPPKb1P/Q7

#2

13 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Qd4#
    • 1...Qa3
      • 2.Qd4#
    • 1...Qd4
      • 2.Qxd4#
    • 1...Qxe5
      • 2.Qd4#
    • 1...Qb1
      • 2.Qd4#
    • 1...Qa2
      • 2.Qd4#
    • 1...Qxc2
      • 2.Qd4#
    • 1...Qb3
      • 2.Qd4#
    • 1...Rd5
      • 2.Sxd5#
    • 1...Rxe5
      • 2.Sd5#
    • 1...Rb6
      • 2.Sd5#
    • 1...Rb7
      • 2.Sd5#
    • 1...Rb8
      • 2.Sd5#
    • 1...Rxf5
      • 2.Rxf5#
    • 1...Be1
      • 2.dxe3#
    • 1...Bg3
      • 2.dxe3#
      • 2.hxg3#
    • 1...Bxh4
      • 2.dxe3#
  • Tries
    • 1.Qxb2?
      • threat
        • 2.Qd4#
      • 1...Rxb4
        • 2.Qxb4#
      • 1...Rd5
        • 2.Sxd5#
      • 1...exd2!
  • Keys
    • 1.Sxe3!
      • threat
        • 2.Sg2#
      • 1...Qxe5
        • 2.Qd4#
      • 1...Rbxe5
        • 2.Sd5#
      • 1...Rgxe5
        • 2.Rf5#
      • 1...Bxe3
        • 2.dxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 14
  • Sets
    • Q(a);OGATE::QAR2(A)
    • Q(a);OGATE::QAR2(A),XQ(a)
    • Q(a);OGATE,P_SPINQ(a),XP(I)::QAR2(A)
    • Q(a);OGATE,P_PINP(C),XP(B)::QAR2(A)
    • R(f);N_GUARD::S(G),XR(f)
    • R(f);N_GUARD,P_SPINR(f),XP(I)::S(G)
    • R(f);N_GUARD::S(G)
    • R(g);OGATE,XS(J)::R1(K),XR(g)
    • B(b);N_GUARD::P(C),XP(c)
    • B(b);N_GUARD,XP(H)::P(C),XP(c)
  • Tries
    • Try
      • Q(A);XQ(a)
      • Threat
        • QAR2(A)
      • Vars
        • R(f);OGATE,XS(G)::QAR(A),XR(f)
        • R(f);N_GUARD::S(G),XR(f)
      • Refutation
        • P(c);XP(C)
  • Actual
    • S(J);XP(c)
    • Threat
      • S(J)
    • Vars
      • Q(a);OGATE,P_PINS(J),P_SPINQ(a),XP(I)::QAR2(A)
      • R(f);N_GUARD,P_PINS(J),P_SPINR(f),XP(I)::S(G)
      • R(g);OGATE,P_PINS(J),P_SPINR(g),XP(I)::R1(K)
      • B(b);OGATE,XS(J)::P(C),XB(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).