MESON Chess Problem Database
Problem Display
PID: 183142 (2Q5/1K2p3/3b3q/1pR2p2/1p1krB1R/8/5P2/2N5 w - - 0 1)
Marin y Llovet, Valentin
2nd Prize, Tidskrift for Schack, 1907
#2
7 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Be3#
- 1...Qf8
- 2.Be3#
- 1...Qh5
- 2.Be3#
- 1...Qe6
- 2.Be3#
- 1...Qf6
- 2.Be3#
- 1...Qg6
- 2.Be3#
- 1...Qh7
- 2.Be3#
- 1...Qh8
- 2.Be3#
- 1...Re1
- 2.Be3#
- 2.Be5#
- 1...Re2
- 2.Be3#
- 2.Be5#
- 1...Re3
- 2.Bxe3#
- 2.Be5#
- 1...Re5
- 2.Be3#
- 2.Bxe5#
- 1...Re6
- 2.Be3#
- 2.Be5#
- 1...Be5
- 2.Bxe5#
- 1...Qg7
- Tries
- 1.Qc6?
- threat
- 2.Rd5#
- 2.Qd5#
- 1...Rxf4
- 2.Qd5#
- 1...Qe6
- 2.Be3#
- 1...Re1
- 2.Be3#
- 2.Be5#
- 2.Qd5#
- 1...Re2
- 2.Be3#
- 2.Be5#
- 2.Qd5#
- 1...Re3
- 2.Bxe3#
- 2.Be5#
- 2.Qd5#
- 2.fxe3#
- 1...Re5
- 2.Be3#
- 2.Bxe5#
- 1...Re6
- 2.Be3#
- 2.Be5#
- 2.Qd5#
- 1...e6
- 2.Qxd6#
- 1...Bxc5!
- threat
- 1.Qc6?
- Keys
- 1.Qe6!
- threat
- 2.Qd5#
- 1...Kxc5
- 2.Sb3#
- 1...Qxe6
- 2.Be3#
- 1...Rxe6
- 2.Be3#
- 1...Bxc5
- 2.Be5#
- 1...Re5
- 2.Be3#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- Q(g);N_GUARD::B(C)
- B(f);N_GUARD::B(C),XB(f)
- Tries
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(c);P_SPINR(c),XB(C)::QAR1(G)
- Q(g);N_GUARD::B(C)
- P(h);N_GUARD,S_CUTQ(g)::QAR2(G),XB(f)
- Refutation
- B(f);XR(E)
- Try
- Actual
- Q(G);
- Threat
- QAR1(G)
- Vars
- K(b);S_FLIGHT,XR(E)::S(A)
- Q(g);N_GUARD,XQ(G)::B(C)
- R(c);XQ(G)::R(D)+B(C),DCHECK
- B(f);N_GUARD,SBLOCK,XR(E)::B(C)
- R(c);::R(D)+B(C),DCHECK
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).