MESON Chess Problem Database
Problem Display
PID: 66787 (3n2qb/3R3N/r1n5/3Pk3/6p1/p3P3/4Q2N/1B4K1 w - - 0 1)
Mlynka, Karol
9th HM., Scacchi e Scienze Applicate, 1992-1993
#2
8 + 8
| 5416 | FIDE Album (1992-1994) (Annexe) | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qf7
- 2.Sxg4#
- 1...Qxh7
- 2.Sxg4#
- 1...Qe8
- 2.Sxg4#
- 1...Qf8
- 2.Sxg4#
- 1...Bg7
- 2.Sxg4#
- 1...g3
- 2.Sf3#
- 1...Qf7
- Tries
- 1.Qf1?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Qxd5
- 2.Qf5#
- 1...Qxh7
- 2.Sxg4#
- 2.Qf4#
- 1...Qe6
- 2.Qf4#
- 1...Qf7
- 2.Sxg4#
- 1...Qg6
- 2.Qf4#
- 1...Qf8
- 2.Sxg4#
- 1...Ra4
- 2.Qf5#
- 1...Sd4
- 2.Qf4#
- 1...Se7
- 2.Qf4#
- 1...Se6
- 2.Qf5#
- 1...Qg5!
- threat
- 1.Qd3?
- threat
- 2.Qe4#
- 2.Qf5#
- 1...Qxd5
- 2.Qf5#
- 2.Qxd5#
- 1...Qxh7
- 2.Sxg4#
- 1...Qe6
- 2.Qe4#
- 1...Qf7
- 2.Sxg4#
- 2.Qe4#
- 1...Qg5
- 2.Qe4#
- 1...Qf8
- 2.Sxg4#
- 2.Qe4#
- 1...Ra4
- 2.Qf5#
- 1...Sd4
- 2.Qe4#
- 2.Qxd4#
- 1...Se7
- 2.Qe4#
- 2.Qc3#
- 2.Qd4#
- 1...Qg6!
- threat
- 1.Qf3?
- threat
- 2.Qe4#
- 2.Qg3#
- 2.Qf4#
- 2.Qf5#
- 1...Qxd5
- 2.Qxd5#
- 2.Qf5#
- 1...Qxh7
- 2.Sxg4#
- 2.Qf4#
- 1...Qe6
- 2.Qe4#
- 2.Qg3#
- 2.Qf4#
- 1...Qf7
- 2.Sxg4#
- 2.Qe4#
- 1...Qg5
- 2.Qe4#
- 1...Qg6
- 2.Qg3#
- 2.Qf4#
- 1...Qf8
- 2.Sxg4#
- 2.Qe4#
- 1...Ra4
- 2.Qf5#
- 1...Sd4
- 2.Qe4#
- 2.Qg3#
- 2.Qf4#
- 1...Se7
- 2.Qe4#
- 2.Qg3#
- 2.Qf4#
- 1...Se6
- 2.Qe4#
- 2.Qf5#
- 1...g3
- 2.Qe4#
- 2.Qf4#
- 2.Qf5#
- 1...gxf3+!
- threat
- 1.Qc4?
- threat
- 2.Qe4#
- 2.Qf4#
- 1...Qxd5
- 2.Qxd5#
- 1...Qxh7
- 2.Sxg4#
- 2.Qf4#
- 1...Qf7
- 2.Sxg4#
- 2.Qe4#
- 1...Qg5
- 2.Qe4#
- 1...Qg6
- 2.Qf4#
- 1...Qf8
- 2.Sxg4#
- 2.Qe4#
- 1...Sd4
- 2.Qxd4#
- 1...Se6
- 2.Qe4#
- 1...Ra4!
- threat
- 1.Qb2+?
- 1...Sd4
- 2.Qxd4#
- 1...axb2!
- 1...Sd4
- 1.Qc2?
- threat
- 2.Qe4#
- 2.Qf5#
- 1...Qxd5
- 2.Qf5#
- 1...Qxh7
- 2.Sxg4#
- 1...Qe6
- 2.Qe4#
- 1...Qf7
- 2.Sxg4#
- 2.Qe4#
- 1...Qg5
- 2.Qe4#
- 1...Qf8
- 2.Sxg4#
- 2.Qe4#
- 1...Ra4
- 2.Qf5#
- 1...Sd4
- 2.Qe4#
- 1...Se7
- 2.Qe4#
- 2.Qc3#
- 1...Qg6!
- threat
- 1.Qf2?
- threat
- 2.Qg3#
- 2.Qf4#
- 2.Qf5#
- 1...Qxd5
- 2.Qf5#
- 1...Qxh7
- 2.Sxg4#
- 2.Qf4#
- 1...Qe6
- 2.Qg3#
- 2.Qf4#
- 1...Qf7
- 2.Sxg4#
- 1...Qg6
- 2.Qg3#
- 2.Qf4#
- 1...Qf8
- 2.Sxg4#
- 1...Ra4
- 2.Qf5#
- 1...Sd4
- 2.Qg3#
- 2.Qf4#
- 2.exd4#
- 1...Se7
- 2.Qg3#
- 2.Qf4#
- 1...Se6
- 2.Qf5#
- 1...g3
- 2.Sf3#
- 2.Qf4#
- 2.Qf5#
- 1...Qg5!
- threat
- 1.Qg2?
- threat
- 2.Qe4#
- 2.Qg3#
- 1...Qxd5
- 2.Qxd5#
- 1...Qxh7
- 2.Sxg4#
- 1...Qf7
- 2.Sxg4#
- 2.Qe4#
- 1...Qg5
- 2.Qe4#
- 1...Qg6
- 2.Qg3#
- 1...Qf8
- 2.Sxg4#
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...g3
- 2.Sf3#
- 2.Qe4#
- 1...Ra4!
- threat
- 1.Qf1?
- Keys
- 1.Qxg4!
- threat
- 2.Sf3#
- 1...Qxg4+
- 2.Sxg4#
- 1...Qxd5
- 2.Qf5#
- 1...Qxh7
- 2.Qf4#
- 1...Qf7
- 2.Qe4#
- 1...Qf8
- 2.Qe4#
- 1...Sd4
- 2.exd4#
- threat
- 1.Qxg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- Q(g);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD,XS(H)::S(D),XP(b)
- B(h);S_CUTQ(g)::S(D),XP(b)
- P(b);N_GUARD::S(D)
- Tries
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(g);XP(F)::QAR1(C)
- Q(g);::QAB1(C)
- Q(g);N_GUARD::S(D),XP(b)
- R(d);::QAR1(C)
- S(e);::QAB1(C)
- S(f);::QAR1(C)
- Refutation
- Q(g);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XS(H)::S(D),XP(b)
- Q(g);::QAR1(C)
- R(d);::QAR1(C)
- Refutation
- Q(g);
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- Q(g);::QAR1(C)
- R(d);::QAR1(C)
- Refutation
- P(b);CHECK,XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,XP(F)::QAR1(C),XQ(g)
- Q(g);::QAR1(C)
- Q(g);::QAB1(C)
- S(e);N_GUARD::QAB1(C),XS(e)
- S(f);::QAR1(C)
- Refutation
- R(d);
- Try
- Q(C);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::QAB1(C),XS(e)
- Refutation
- P(a);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(g);XP(F)::QAR1(C)
- Q(g);N_GUARD,XS(H)::S(D),XP(b)
- Q(g);::QAR1(C)
- R(d);::QAR1(C)
- S(e);::QAR1(C)
- Refutation
- Q(g);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- Q(g);XP(F)::QAR1(C)
- Q(g);N_GUARD::S(D),XP(b)
- R(d);::QAR1(C)
- S(f);::QAR1(C)
- Refutation
- Q(g);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,XP(F)::QAR1(C),XQ(g)
- Q(g);N_GUARD,XS(H)::S(D),XP(b)
- Q(g);::QAR1(C)
- Q(g);::QAB(C)
- S(f);::QAR1(C)
- Refutation
- R(d);
- Try
- Actual
- Q(C);P_SPINQ(C),XP(b)
- Threat
- S(D)
- Vars
- Q(g);CHECK,XQ(C)::S(D),XQ(g)
- Q(g);N_PINQ(C),XP(F)::QAR1(C)
- Q(g);N_PINQ(C),XS(H)::QAB1(C)
- Q(g);N_PINQ(C)::QAR1(C)
- S(e);OGATE::P(E),XS(e)
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).