MESON Chess Problem Database
Problem Display
PID: 121546 (3k1B1n/p4P1K/B1Q1b1pp/5p2/8/8/8/4r3 w - - 0 1)
Stepan, Ludvik
Svobodne Slovo, 1957
#2
5 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Qd6#
- 2.Qc8#
- 1...Bb3
- 2.Qd6#
- 2.Qc8#
- 1...Bc4
- 2.Qd6#
- 2.Qc8#
- 1...Bd5
- 2.Qd6#
- 2.Qc8#
- 1...Bxf7
- 2.Qc8#
- 1...Bc8
- 2.Qxc8#
- 1...Ba2
- Tries
- 1.Bd6?
- threat
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Bxf7
- 2.Qc8#
- 1...Ra1
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Rb1
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Rc1
- 2.Qe8#
- 2.f8Q#
- 2.f8R#
- 1...Rd1
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Rf1
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Rg1
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Rh1
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Re2
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Re3
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Re4
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Re5
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Ba2
- 2.Qc7#
- 2.Qc8#
- 1...Bb3
- 2.Qc7#
- 2.Qc8#
- 1...Bc4
- 2.Qc7#
- 2.Qc8#
- 1...Bd5
- 2.Qc7#
- 2.Qc8#
- 1...Bd7
- 2.Qc7#
- 1...Bc8
- 2.Qc7#
- 2.Qxc8#
- 1...f4
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...g5
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...h5
- 2.Qe8#
- 2.Qc7#
- 2.f8Q#
- 2.f8R#
- 1...Sxf7!
- threat
- 1.Qd5+?
- 1...Kc7
- 2.Qd6#
- 1...Bd7
- 2.Qa5#
- 1...Bxd5!
- 1...Kc7
- 1.Qb7?
- threat
- 2.Be7#
- 2.Qe7#
- 1...Bxf7
- 2.Qc8#
- 1...Sxf7
- 2.Qe7#
- 1...Ba2
- 2.Qc8#
- 1...Bb3
- 2.Qc8#
- 1...Bc4
- 2.Qc8#
- 1...Bd5
- 2.Qc8#
- 1...Bc8
- 2.Qxc8#
- 1...Bd7!
- threat
- 1.Qa8+?
- 1...Kd7
- 2.Qc8#
- 1...Bc8
- 2.Qxc8#
- 1...Kc7!
- 1...Kd7
- 1.Qb6+?
- 1...Kd7
- 2.Qd6#
- 1...axb6!
- 1...Kd7
- 1.Qxe6?
- threat
- 2.Qc8#
- 2.Qd6#
- 1...Kc7
- 2.Qd6#
- 1...Sxf7
- 2.Qc8#
- 1...Rc1
- 2.Qd6#
- 2.Qe7#
- 1...Rd1
- 2.Qc8#
- 2.Qe7#
- 1...Rxe6!
- threat
- 1.Bd6?
- Keys
- 1.Qc5!
- threat
- 2.Qe7#
- 1...Kd7
- 2.Qd6#
- 2.Qc8#
- 1...Bxf7
- 2.Qc8#
- 1...Bd7
- 2.Qa5#
- 1...Ba2
- 2.Qd6#
- 2.Qc8#
- 1...Bb3
- 2.Qd6#
- 2.Qc8#
- 1...Bc4
- 2.Qd6#
- 2.Qc8#
- 1...Bd5
- 2.Qd6#
- 2.Qc8#
- 1...Bc8
- 2.Qxc8#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD,XP(C)::QAR1(B)
- B(c);N_GUARD::QAR1(B),XB(c)
- Tries
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- B(c);N_GUARD,XP(C)::QAR1(B)
- B(c);::QAB1(B)
- Refutation
- S(h);XP(C)
- Try
- Q(B);CHECK
- Vars
- K(g);S_FLIGHT::QAB1(B)
- B(c);P_SPINB(c),SBLOCK::QAB(B)
- Refutation
- B(c);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,XP(C)::QAR1(B)
- S(h);XP(C)::QAB1(B)
- B(c);N_GUARD::QAR1(B)
- B(c);N_GUARD::QAR1(B),XB(c)
- Refutation
- B(c);
- Try
- Q(B);CHECK
- Vars
- K(g);P-FLIGHT::QAB1(B)
- B(c);N_GUARD,P_SPINB(c)::QAR1(B),XB(c)
- Refutation
- K(g);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(g);P-FLIGHT::QAR1(B)
- Refutation
- P(f);XQ(B)
- Try
- Q(B);XB(c)
- Threat
- DUALS(2)
- Vars
- K(g);S_FLIGHT::QAB1(B)
- S(h);XP(C)::QAR1(B)
- Refutation
- R(a);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAB1(B)
- Vars
- B(c);N_GUARD,XP(C)::QAR1(B)
- B(c);SBLOCK::QAB(B)
- B(c);N_GUARD::QAR1(B),XB(c)
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).