MESON Chess Problem Database
Problem Display
PID: 23955 (4bq2/Kp6/p4bp1/r1n4p/1pP1k1BQ/8/2PRN1nB/3N2r1 w - - 0 1)
Lacny, Ludovit
1st HM., Wertheim MT, 1997
#2
9 + 13
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Rxd4#
- 1...Bxh4
- 2.Rd4#
- 1...Bg5
- 2.Rd4#
- 1...Be7
- 2.Rd4#
- 1...Bd8
- 2.Rd4#
- 1...Se3
- 2.Sf2#
- 1...Sd3
- 2.cxd3#
- 1...Bd4
- Tries
- 1.Bf3+?
- 1...Kxf3
- 2.Sxg1#
- 1...Kf5!
- 1...Kxf3
- 1.Bf5+?
- 1...Kf3
- 2.Sxg1#
- 2.Qf2#
- 2.Qg3#
- 2.Qh3#
- 1...Kxf5!
- 1...Kf3
- 1.Qxf6?
- threat
- 2.Sg3#
- 2.Bf3#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Rxd1
- 2.Qd4#
- 2.Qe5#
- 1...hxg4
- 2.Sg3#
- 2.Rd4#
- 1...Rf1
- 2.Sg3#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Qd6
- 2.Bf3#
- 2.Qf3#
- 1...Qe7
- 2.Sg3#
- 2.Bf3#
- 2.Rd4#
- 2.Qd4#
- 2.Qf3#
- 1...Qg7
- 2.Sg3#
- 2.Bf3#
- 2.Rd4#
- 2.Qf3#
- 1...Qh8
- 2.Sg3#
- 2.Bf3#
- 2.Rd4#
- 2.Qf3#
- 1...Ra3
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Se1
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Se3
- 2.Sf2#
- 2.Bf3#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Sf4
- 2.Rd4#
- 2.Qd4#
- 1...Sh4
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Sb3
- 2.Sg3#
- 2.Bf3#
- 1...Sd3
- 2.Sg3#
- 2.Bf3#
- 2.Qd4#
- 2.cxd3#
- 1...Sa4
- 2.Sg3#
- 2.Bf3#
- 2.Rd4#
- 2.Qd4#
- 1...Se6
- 2.Sg3#
- 2.Bf3#
- 1...Sd7
- 2.Sg3#
- 2.Bf3#
- 2.Rd4#
- 2.Qd4#
- 1...h4
- 2.Bf3#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Qxf6!
- threat
- 1.Bf3+?
- Keys
- 1.Qg5!
- threat
- 2.Sf2#
- 2.Sg3#
- 2.Qd5#
- 1...Rxd1
- 2.Sg3#
- 1...Bxg5
- 2.Rd4#
- 1...hxg4
- 2.Qd5#
- 1...Rf1
- 2.Sg3#
- 2.Qd5#
- 1...Qd6
- 2.Sf2#
- 1...Qf7
- 2.Sf2#
- 2.Sg3#
- 1...Qg8
- 2.Sf2#
- 2.Sg3#
- 1...Ra3
- 2.Sf2#
- 2.Qd5#
- 1...Ba1
- 2.Sg3#
- 2.Qd5#
- 1...Bb2
- 2.Sg3#
- 2.Qd5#
- 1...Bc3
- 2.Sg3#
- 2.Qd5#
- 1...Bd4
- 2.Sg3#
- 2.Rxd4#
- 2.Qd5#
- 1...Be5
- 2.Qxe5#
- 1...Be7
- 2.Sg3#
- 2.Rd4#
- 2.Qd5#
- 2.Qe5#
- 1...Bg7
- 2.Sg3#
- 2.Qd5#
- 1...Bd8
- 2.Sg3#
- 2.Rd4#
- 2.Qd5#
- 2.Qe5#
- 1...Bh8
- 2.Sg3#
- 2.Qd5#
- 1...Bc6
- 2.Sf2#
- 2.Sg3#
- 2.Qxg6#
- 1...Bf7
- 2.Sf2#
- 2.Sg3#
- 1...Se1
- 2.Sf2#
- 2.Qe3#
- 2.Qf4#
- 2.Qd5#
- 1...Se3
- 2.Sf2#
- 2.Qxe3#
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sh4
- 2.Sf2#
- 2.Qe3#
- 2.Qf4#
- 2.Qd5#
- 1...Sb3
- 2.Sf2#
- 2.Sg3#
- 1...Sd3
- 2.cxd3#
- 1...Sa4
- 2.Sf2#
- 2.Sg3#
- 1...Se6
- 2.Sf2#
- 2.Sg3#
- 1...Sd7
- 2.Sf2#
- 2.Sg3#
- 1...h4
- 2.Sf2#
- 2.Qd5#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- B(i);N_GUARD::R1(C),XB(i)
- B(i);N_GUARD,XQ(H)::R1(C)
- B(i);N_GUARD::R1(C)
- S(b);SBLOCK::S(A)
- S(f);OGATE::P(B),XS(f)
- Tries
- Try
- B(G);CHECK
- Vars
- K(d);S_FLIGHT,XB(G)::S(D),XR(a)
- Refutation
- K(d);S_FLIGHT
- Try
- B(G);CHECK
- Refutation
- K(d);S_FLIGHT,XB(G)
- Try
- Q(H);XB(i)
- Threat
- DUALS(5)
- Refutation
- Q(m);XQ(H)
- Try
- Actual
- Q(H);
- Threat
- DUALS(3)
- Vars
- R(a);XS(A)::S(D)
- B(i);N_GUARD,XQ(H)::R1(C)
- P(g);XB(G)::QAB1(H)
- Q(m);::S(A)
- B(i);N_GUARD::QAR1(H),XB(i)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(f);OGATE::P(B),XS(f)
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).