MESON Chess Problem Database

Problem Display
PID: 79812 (8/3P2n1/PQPpp3/2Nkrp2/P1Nb4/1K2p1P1/6r1/2RR3B w - - 0 1)

Savournin, Jacques

Comm., Europe Echecs, 1983

8/3P2n1/PQPpp3/2Nkrp2/P1Nb4/1K2p1P1/6r1/2RR3B

#2

12 + 9

3188 Dutch Solving Championship 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Se4?
      • threat
        • 2.Sc3#
        • 2.Sf6#
        • 2.Rxd4#
      • 1...Kxe4
        • 2.Bxg2#
      • 1...Rxe4
        • 2.Qb5#
      • 1...fxe4
        • 2.Sxe3#
        • 2.Rxd4#
        • 2.Qb5#
      • 1...Rd2
        • 2.Sc3#
        • 2.Sf6#
      • 1...Sh5
        • 2.Sc3#
        • 2.Rxd4#
      • 1...Se8
        • 2.Sc3#
        • 2.Rxd4#
      • 1...Rb2+!
    • 1.Qc7?
      • threat
        • 2.Sb6#
        • 2.Qxd6#
      • 1...Kxc5
        • 2.Qxd6#
      • 1...Re4
        • 2.Qxd6#
      • 1...Se8
        • 2.Sb6#
      • 1...dxc5!
    • 1.Qb5?
      • threat
        • 2.Sb6#
      • 1...Re4
        • 2.Sb7#
      • 1...dxc5!
    • 1.Qb7?
      • threat
        • 2.Sb6#
      • 1...Kxc5
        • 2.Qb5#
      • 1...dxc5
        • 2.c7#
      • 1...Re4!
    • 1.c7?
      • threat
        • 2.Qxd6#
      • 1...dxc5
        • 2.Qb7#
      • 1...Se8!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Rxd4#
      • 1...Ke4
        • 2.Bxg2#
      • 1...Re4
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);N_PINR(a)
      • Threat
        • DUALS(3)
      • Vars
        • K(d);N_SPINB(c),OGATEB,P_SPINR(a),S_FLIGHT,XS(H)::B(C),XR(a)
        • R(e);SBLOCK,XS(H)::QAR2(J)
      • Refutation
        • R(a);CHECK
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);N_SPINB(c),N_SPINR(a),P-FLIGHT,XS(H)::QAB1(J),XP(g)
        • R(e);N_SPINR(a)::QAR1(J),XP(g)
        • S(i);::S(G)
      • Refutation
        • P(g);XS(H)
    • Try
      • Q(J);
      • Threat
        • S(G)
      • Vars
        • R(e);N_SPINR(a),SBLOCK::QAR(J)+S(H)
      • Refutation
        • P(g);P_SPINP(g),XS(H)
    • Try
      • Q(J);
      • Threat
        • S(G)
      • Vars
        • K(d);N_SPINB(c),N_SPINR(a),OGATEB,P-FLIGHT,XS(H)::QAR1(J)
        • P(g);SBLOCK,XS(H)::QAB(J)+P(K)
      • Refutation
        • R(e);N_SPINR(a)
    • Try
      • P(K);
      • Threat
        • QAR1(J),XP(g)
      • Vars
        • P(g);SBLOCK,XS(H)::QAB(J)
      • Refutation
        • S(i);
  • Actual
    • S(H);
    • Threat
      • R1(B),XB(c)
    • Vars
      • K(d);N_SPINB(c),S_FLIGHT::B(C),XR(a)
      • R(e);N_SPINR(a),SBLOCK::QAR2(J)
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).