MESON Chess Problem Database
Problem Display
PID: 236570 (4r3/bN3Q2/K1pP2p1/4k1P1/R5P1/R5P1/2N5/7b w - - 0 1)
Makaronets, Leonid
Rochade Europa, 1997
#2
10 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Qf6#
- 1...Bd5
- Tries
- 1.Se3?
- threat
- 2.Qxe8#
- 2.Qf6#
- 1...Bd4
- 2.Qxe8#
- 1...Re6
- 2.Qf4#
- 1...Re7
- 2.Qf6#
- 2.Qxe7#
- 1...Ra8
- 2.Qf6#
- 2.Qe7#
- 1...Rb8
- 2.Qf6#
- 2.Qe7#
- 1...Rc8
- 2.Qf6#
- 2.Qe7#
- 1...Rd8
- 2.Qf6#
- 2.Qe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qf6#
- 2.Qe7#
- 1...Rh8
- 2.Qf6#
- 2.Qe7#
- 1...Bd5
- 2.Qf6#
- 1...Bxe3!
- threat
- 1.Rd3?
- threat
- 2.Qxe8#
- 2.Qf6#
- 1...Re6
- 2.Qf4#
- 1...Re7
- 2.Qf6#
- 2.Qxe7#
- 1...Ra8
- 2.Qf6#
- 2.Qe7#
- 1...Rb8
- 2.Qf6#
- 2.Qe7#
- 1...Rc8
- 2.Qf6#
- 2.Qe7#
- 1...Rd8
- 2.Qf6#
- 2.Qe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qf6#
- 2.Qe7#
- 1...Rh8
- 2.Qf6#
- 2.Qe7#
- 1...Bd5
- 2.Qf6#
- 1...Bd4!
- threat
- 1.Re3+?
- 1...Be4
- 2.Rexe4#
- 2.Raxe4#
- 1...Bxe3!
- 1...Be4
- 1.Rd4?
- threat
- 2.Qxe8#
- 2.Qf6#
- 1...Re6
- 2.Qf4#
- 1...Re7
- 2.Qf6#
- 2.Qxe7#
- 1...Ra8
- 2.Qf6#
- 2.Qe7#
- 1...Rb8
- 2.Qf6#
- 2.Qe7#
- 1...Rc8
- 2.Qf6#
- 2.Qe7#
- 1...Rd8
- 2.Qf6#
- 2.Qe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qf6#
- 2.Qe7#
- 1...Rh8
- 2.Qf6#
- 2.Qe7#
- 1...Bd5
- 2.Qf6#
- 1...Bxd4!
- threat
- 1.Se3?
- Keys
- 1.Sb4!
- threat
- 2.Sd3#
- 1...Kd4
- 2.Sxc6#
- 1...Ke4
- 2.Qf4#
- 1...Re6
- 2.Qf4#
- 1...Be4
- 2.Qf6#
- 1...Bd4
- 2.Qxe8#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- B(a);SBLOCK::QAB1(J)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- B(e);::QAR(J),XR(f)
- R(f);SBLOCK::QAB1(J)
- R(f);N_GUARD::QAR2(J)
- B(a);::QAB1(J)
- Refutation
- B(e);XS(A)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(f);SBLOCK::QAB1(J)
- R(f);N_GUARD::QAR2(J)
- B(a);::QAB1(J)
- Refutation
- B(e);
- Try
- R(B);CHECK
- Refutation
- B(e);XR(B)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(f);SBLOCK::QAB1(J)
- R(f);N_GUARD::QAR2(J)
- B(a);::QAB1(J)
- Refutation
- B(e);XR(D)
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- K(b);S_FLIGHT::R(D)+S(A),DCHECK,XP(c)
- K(b);P-FLIGHT::QAR1(J)
- R(f);SBLOCK::QAB1(J)
- B(a);SBLOCK::QAB1(J)
- B(e);SBLOCK::QAR(J),XR(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).