MESON Chess Problem Database
Problem Display
PID: 238946 (N1K5/3pP3/1pk5/p1NR4/p7/P5P1/3P2RP/5BBQ w - - 0 1)
Petite, Efren
L'Italia Scacchistica, 1993
#2
13 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Se4?
- threat
- 2.Rd6#
- 1...d6
- 2.Rxd6#
- 1...Kxd5!
- threat
- 1.Sb7?
- threat
- 2.Rd6#
- 1...d6
- 2.Rxd6#
- 1...Kxd5!
- threat
- 1.Re2?
- 1...Kb5
- 2.Re6#
- 1...b5
- 2.Rxd7#
- 1...d6
- 2.e8Q#
- 2.e8B#
- 1...bxc5!
- 1...Kb5
- 1.Rf2?
- 1...bxc5
- 2.Rxd7#
- 1...d6
- 2.e8Q#
- 2.e8B#
- 1...b5!
- 1...bxc5
- 1.e8S?
- threat
- 2.Rd6#
- 1...d6
- 2.Rxd6#
- 1...Kxd5!
- threat
- 1.Se4?
- Keys
- 1.Rxd7!
- 1...bxc5
- 2.Rf2#
- 1...b5
- 2.Re2#
- 1...bxc5
- 1.Rxd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(I);
- Threat
- R1(J)
- Vars
- P(e);::R1(J),XP(e)
- Refutation
- K(d);S_FLIGHT,XR(J)
- Try
- S(I);
- Threat
- R1(J)
- Vars
- P(e);::R1(J),XP(e)
- Refutation
- K(d);S_FLIGHT,XR(J)
- Try
- R(E);
- Vars
- K(d);S_FLIGHT::B(A)+R(E)
- P(c);SBLOCK::QAB(C)+R(J),XP(e)
- P(e);::P=Q
- Refutation
- P(c);XS(I)
- Try
- R(E);
- Vars
- P(c);SBLOCK,XS(I)::QAB(C)+R(J),XP(e)
- P(e);::P=Q
- Refutation
- P(c);
- Try
- P(K);
- Threat
- R1(J)
- Vars
- P(e);::R1(J),XP(e)
- Refutation
- K(d);S_FLIGHT,XR(J)
- Try
- Actual
- R(J);XP(e)
- Vars
- P(c);SBLOCK,XS(I)::QAB(C)+R(E)
- P(c);SBLOCK::QAB(C)+R(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).