MESON Chess Problem Database
Problem Display
PID: 18755 (1K2R1B1/2N2n2/1p3p1b/1P2ppqR/3Nk1p1/1P4P1/4PP2/Q7 w - - 0 1)
Lacny, Ludovit
1st Prize, Sachove umeni (Ceskoslovensky sach), 1958
#2
12 + 9
| 3976 | FIDE Album (1956-1958) | 1961 |
| 56 | The Problemist | 2008 |
| 56 | The Problemist | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Sd6
- 2.Bd5#
- 1...Sd8
- 2.Bd5#
- 1...Sh8
- 2.Bd5#
- 1...Sd6
- Tries
- 1.Sc2?
- threat
- 2.Qd4#
- 2.Qh1#
- 2.Qa4#
- 2.Qa8#
- 1...Qxh5
- 2.Qd4#
- 2.Qa4#
- 2.Qa8#
- 1...Qc1
- 2.Qd4#
- 2.Qa4#
- 2.Qa8#
- 1...Qd2
- 2.Qh1#
- 1...Qe3
- 2.Qa8#
- 1...Qf4
- 2.Qd4#
- 2.Qa4#
- 2.Qa8#
- 1...Qh4
- 2.Qd4#
- 2.Qa4#
- 2.Qa8#
- 1...Bf8
- 2.Qd4#
- 2.Qh1#
- 2.Qa8#
- 1...Sd6
- 2.Bd5#
- 2.Qd4#
- 2.Qh1#
- 1...Sd8
- 2.Bd5#
- 2.Qd4#
- 2.Qh1#
- 2.Qa4#
- 1...f4!
- threat
- 1.Sf3?
- threat
- 2.Qd4#
- 2.Qb1#
- 2.Qa4#
- 2.Qa8#
- 1...gxf3
- 2.Qa4#
- 1...f4
- 2.Qb1#
- 1...Qc1
- 2.Qd4#
- 1...Qe3
- 2.Qa8#
- 1...Bf8
- 2.Qd4#
- 2.Qb1#
- 2.Qa8#
- 1...Sd6
- 2.Bd5#
- 2.Qd4#
- 2.Qb1#
- 1...Sd8
- 2.Bd5#
- 2.Qd4#
- 2.Qb1#
- 2.Qa4#
- 1...Qd2!
- threat
- 1.Sc6?
- threat
- 2.Qd4#
- 2.Qb1#
- 2.Qh1#
- 2.Qa4#
- 1...Qxh5
- 2.Qd4#
- 2.Qb1#
- 2.Qa4#
- 1...f4
- 2.Qb1#
- 1...Qc1
- 2.Qd4#
- 1...Qd2
- 2.Qh1#
- 1...Qf4
- 2.Qd4#
- 2.Qb1#
- 2.Qa4#
- 1...Qh4
- 2.Qd4#
- 2.Qb1#
- 2.Qa4#
- 1...Bf8
- 2.Qd4#
- 2.Qb1#
- 2.Qh1#
- 1...Sd6
- 2.Bd5#
- 2.Qd4#
- 2.Qb1#
- 2.Qh1#
- 1...Qe3!
- threat
- 1.Sde6?
- threat
- 2.Qb1#
- 2.Qh1#
- 2.Qa4#
- 2.Qa8#
- 1...Qxh5
- 2.Qb1#
- 2.Qa4#
- 2.Qa8#
- 1...f4
- 2.Qb1#
- 1...Qd2
- 2.Qh1#
- 1...Qe3
- 2.Qa8#
- 1...Qf4
- 2.Qb1#
- 2.Qa4#
- 2.Qa8#
- 1...Qh4
- 2.Qb1#
- 2.Qa4#
- 2.Qa8#
- 1...Bf8
- 2.Qb1#
- 2.Qh1#
- 2.Qa8#
- 1...Sd6
- 2.Qb1#
- 2.Qh1#
- 1...Sd8
- 2.Qb1#
- 2.Qh1#
- 2.Qa4#
- 1...Qc1!
- threat
- 1.Rd8?
- threat
- 2.Qb1#
- 2.Qh1#
- 2.Qa8#
- 1...Qxh5
- 2.Qb1#
- 2.Qa8#
- 1...Sxd8
- 2.Bd5#
- 1...exd4
- 2.Qxd4#
- 1...Qd2
- 2.Qh1#
- 2.Qa8#
- 1...Qe3
- 2.Qa8#
- 1...Qf4
- 2.Qb1#
- 2.Qa8#
- 1...Qh4
- 2.Qb1#
- 2.Qa8#
- 1...Sd6
- 2.Bd5#
- 1...f4
- 2.Qb1#
- 2.Qa8#
- 1...Qc1!
- threat
- 1.Sc2?
- Keys
- 1.Sxf5!
- threat
- 2.Qb1#
- 1...Kxf5
- 2.Bh7#
- 1...Qxf5
- 2.Qa4#
- 1...Qc1
- 2.Qd4#
- 1...Qd2
- 2.Qh1#
- 1...Qe3
- 2.Qa8#
- threat
- 1.Sxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- S(i);OGATE::B(L)
- Tries
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- Q(e);::QAB(A)
- Refutation
- P(d);
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- P(b);XS(F)::QAR(A)
- P(d);::QAB(A)
- Q(e);::QAR1(A)
- Q(e);::QAB(A)
- Refutation
- Q(e);
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- P(d);::QAB(A)
- Q(e);::QAR1(A)
- Q(e);::QAB(A)
- Refutation
- Q(e);
- Try
- S(F);N_PINP(c)
- Threat
- DUALS(4)
- Vars
- P(d);::QAB(A)
- Q(e);::QAB(A)
- Refutation
- Q(e);
- Try
- R(K);N_PINP(c)
- Threat
- DUALS(3)
- Vars
- S(i);OGATE,XR(K)::B(L)
- P(c);OGATE,XS(F)::QAR1(A),XP(c)
- Q(e);::QAB(A)
- S(i);OGATE::B(L)
- Refutation
- Q(e);
- Try
- Actual
- S(F);XP(d)
- Threat
- QAB(A)
- Vars
- K(a);N_SPINP(c),OGATEB,P_SPINQ(e),S_FLIGHT,XS(F)::B(L)
- Q(e);XS(F)::QAR(A)
- Q(e);::QAR1(A)
- Q(e);::QAB(A)
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).