MESON Chess Problem Database

Problem Display
PID: 189735 (4Q3/1p3R2/7p/4B1p1/2P1k1n1/1P2P3/6P1/2K1R3 w - - 0 1)

Vetesnik, Ladislav

Alkmaarsche Courant, 1912

4Q3/1p3R2/7p/4B1p1/2P1k1n1/1P2P3/6P1/2K1R3

#2

9 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Ba1+?
      • 1...Kd3
        • 2.Rd7#
      • 1...Se5!
    • 1.Bb2+?
      • 1...Kd3
        • 2.Rd7#
      • 1...Se5!
    • 1.Bg7+?
      • 1...Kd3
        • 2.Rd7#
      • 1...Se5!
    • 1.Bh8+?
      • 1...Kd3
        • 2.Rd7#
      • 1...Se5!
    • 1.Rf4+?
      • 1...Kd3
        • 2.Qg6#
        • 2.Qd7#
        • 2.Qd8#
      • 1...gxf4!
    • 1.Qb5?
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Qd5#
      • 1...Sf6!
    • 1.Qc6+?
      • 1...Kd3
        • 2.Rd7#
        • 2.Qd5#
        • 2.Qg6#
      • 1...Kxe5
        • 2.Qd5#
      • 1...bxc6!
    • 1.Qd7?
      • threat
        • 2.Qf5#
        • 2.Qd4#
        • 2.Qd5#
      • 1...Kxe5
        • 2.Qd5#
        • 2.Qe7#
      • 1...Sf6!
    • 1.Qe6?
      • threat
        • 2.Qd5#
        • 2.Qf5#
      • 1...Kd3
        • 2.Qd5#
        • 2.Qf5#
        • 2.Qg6#
      • 1...Sf6!
    • 1.Qd8?
      • threat
        • 2.Qd4#
        • 2.Qd5#
      • 1...Kxe5
        • 2.Qe7#
        • 2.Qd5#
      • 1...Sf6!
  • Keys
    • 1.Re7!
      • threat
        • 2.Qg6#
      • 1...Kd3
        • 2.Qg6#
      • 1...Kf5
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • K(a);S_FLIGHT::R(H)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • B(G);CHECK
      • Vars
        • K(a);S_FLIGHT::R(H)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • B(G);CHECK
      • Vars
        • K(a);S_FLIGHT::R(H)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • B(G);CHECK
      • Vars
        • K(a);S_FLIGHT::R(H)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • R(H);CHECK
      • Refutation
        • P(c);XR(H)
    • Try
      • Q(I);
      • Threat
        • QAB1(I)
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • S(b);
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);P-FLIGHT,XB(G)::QAR1(I)
      • Refutation
        • P(e);XQ(I)
    • Try
      • Q(I);
      • Threat
        • DUALS(3)
      • Refutation
        • S(b);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Refutation
        • S(b);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Refutation
        • S(b);
  • Actual
    • R(H);
    • Threat
      • QAB(I)
    • Vars
      • K(a);S_FLIGHT::QAB(I)
      • K(a);OGATE,S_FLIGHT::P(E)
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).