MESON Chess Problem Database

Problem Display
PID: 87458 (3R3B/8/K1P5/3bn3/NpkP2pQ/p7/2Pb1P2/1N1R1n2 w - - 0 1)

Caliman, Georghe

Buletin Problemistic, 1971

3R3B/8/K1P5/3bn3/NpkP2pQ/p7/2Pb1P2/1N1R1n2

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qxg4#
    • 1...Bc1
      • 2.Sb6#
    • 1...Be1
      • 2.Sb6#
    • 1...Bc3
      • 2.Sb6#
    • 1...Be3
      • 2.Sb6#
    • 1...Bf4
      • 2.Sb6#
    • 1...Bg5
      • 2.Sb6#
    • 1...Bh6
      • 2.Sb6#
    • 1...Bh1
      • 2.Sb6#
    • 1...Bg2
      • 2.Sb6#
    • 1...Bf3
      • 2.Sb6#
    • 1...Be4
      • 2.Sb6#
    • 1...Bxc6
      • 2.Sb6#
    • 1...Be6
      • 2.Sb6#
    • 1...Bf7
      • 2.Sb6#
    • 1...Bg8
      • 2.Sb6#
    • 1...Sd3
      • 2.Sb6#
    • 1...Sf3
      • 2.Sb6#
    • 1...Sxc6
      • 2.Sb6#
    • 1...Sg6
      • 2.Sb6#
    • 1...Sf7
      • 2.Sb6#
    • 1...g3
      • 2.Sb6#
  • Tries
    • 1.Sxd2+?
      • 1...Kxd4
        • 2.Qxg4#
      • 1...Sxd2!
    • 1.Sxa3+?
      • 1...Kxd4
        • 2.Qxg4#
      • 1...bxa3!
    • 1.Qxg4?
      • threat
        • 2.Sb6#
      • 1...Sd7
        • 2.Qe2#
      • 1...b3!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qc5#
      • 1...Kxd4
        • 2.Qxb4#
      • 1...Sd3
        • 2.Sb6#
      • 1...Sd7
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 20
  • Sets
    • K(e);OGATEB,P-FLIGHT,P_SPINB(b),P_SPINP(f),P_SPINS(h),XP(F)::QAR(G),XP(f)
    • B(b);::S(E)
    • B(g);::S(E)
    • B(g);XP(I)::S(E)
    • S(h);::S(E)
    • S(h);XP(I)::S(E)
    • P(f);::S(E)
  • Tries
    • Try
      • S(A);CHECK,XB(b)
      • Vars
        • K(e);P-FLIGHT,P_SPINB(g),P_SPINP(f),P_SPINS(h),XP(F)::QAR(G),XP(f)
      • Refutation
        • S(a);XS(A)
    • Try
      • S(A);CHECK,XP(c)
      • Vars
        • K(e);P-FLIGHT,P_SPINB(b),P_SPINP(f),P_SPINS(h),XP(F)::QAR(G),XP(f)
      • Refutation
        • P(d);XS(A)
    • Try
      • Q(G);XP(f)
      • Threat
        • S(E)
      • Vars
        • S(h);N_GUARD::QAB(G)
      • Refutation
        • P(d);
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • K(e);P-FLIGHT,P_SPINB(b),P_SPINS(h),XP(F)::QAR2(G),XP(d)
      • S(h);::S(E)
      • S(h);OGATE::QAB(G)
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).