MESON Chess Problem Database
Problem Display
PID: 54150 (6B1/r1p4Q/4R2K/2B5/8/NR6/kppppppp/b7 w - - 0 1)
Bayot, L
Fontaine, Leon
Schackvarlden, 1929
#2
7 + 11
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1951 |
SOLUTION
- SOUND
- Tries
- 1.Rxb2+?
- 1...Kxb2
- 2.Qxc2#
- 1...Bxb2!
- 1...Kxb2
- 1.Reb6?
- threat
- 2.Rxb2#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.R3b5#
- 1...h1Q+
- 2.Rh3#
- 1...h1R+
- 2.Rh3#
- 1...Rxa3
- 2.Rxb2#
- 1...b1Q
- 2.Rxb1#
- 2.Rb2#
- 1...b1S
- 2.Rxb1#
- 2.Rb2#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.R3b5#
- 1...b1B
- 2.Rxb1#
- 2.Rb2#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.R3b5#
- 1...b1R
- 2.Rxb1#
- 2.Rb2#
- 1...c1Q
- 2.Rxb2#
- 2.Rc3#
- 1...c1S
- 2.Rxb2#
- 2.Qb1#
- 1...c1R
- 2.Rxb2#
- 2.Rc3#
- 1...d1Q
- 2.Rxb2#
- 2.Rd3#
- 1...d1R
- 2.Rxb2#
- 2.Rd3#
- 1...e1Q
- 2.Rxb2#
- 2.Re3#
- 1...e1R
- 2.Rxb2#
- 2.Re3#
- 1...f1Q
- 2.Rxb2#
- 2.Rf3#
- 1...f1R
- 2.Rxb2#
- 2.Rf3#
- 1...g1Q
- 2.Rxb2#
- 2.Rg3#
- 1...g1R
- 2.Rxb2#
- 2.Rg3#
- 1...Ra4
- 2.Rxb2#
- 1...Ra8
- 2.Rxb2#
- 1...c6
- 2.Rxb2#
- 1...cxb6!
- threat
- 1.Rxb2+?
- Keys
- 1.Ra6!
- threat
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rb4#
- 2.Rb5#
- 2.Rbb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rxa6+
- 2.Rb6#
- 1...h1Q+
- 2.Rh3#
- 1...h1R+
- 2.Rh3#
- 1...b1Q
- 2.Rxb1#
- 1...b1S
- 2.Rxb1#
- 2.Rb4#
- 2.Rb5#
- 2.Rbb6#
- 2.Rb7#
- 2.Rb8#
- 1...b1B
- 2.Rxb1#
- 2.Rb4#
- 2.Rb5#
- 2.Rbb6#
- 2.Rb7#
- 2.Rb8#
- 1...b1R
- 2.Rxb1#
- 1...c1Q
- 2.Rc3#
- 1...c1S
- 2.Qb1#
- 1...c1R
- 2.Rc3#
- 1...d1Q
- 2.Rd3#
- 1...d1R
- 2.Rd3#
- 1...e1Q
- 2.Re3#
- 1...e1R
- 2.Re3#
- 1...f1Q
- 2.Rf3#
- 1...f1R
- 2.Rf3#
- 1...g1Q
- 2.Rg3#
- 1...g1R
- 2.Rg3#
- 1...Rb7
- 2.Rb4#
- 2.Rb5#
- 2.Rbb6#
- 2.Rxb7#
- 1...Ra8
- 2.Rb8#
- 1...c6
- 2.Rb7#
- threat
- 1.Ra6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 18
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(B);CHECK,XP(c)
- Vars
- K(b);P-FLIGHT,XR(B)::QAR1(F),XP(d)
- Refutation
- B(a);XR(B)
- Try
- R(D);
- Threat
- DUALS(8)
- Vars
- P(i);CHECK::B(G)+R(B)
- R(j);XS(A)::B(G)+R(B),DCHECK,XP(c)
- R(j);::B(G)+R(B),DCHECK,XP(c)
- P(k);::B(G)+R(B),DCHECK,XP(c)
- Refutation
- P(k);XR(D)
- Try
- Actual
- R(D);
- Threat
- DUALS(11)
- Vars
- R(j);CHECK,XR(D)::B(G)+R(B)
- P(i);CHECK::B(G)+R(B)
- P(c);OGATE::B(G)+R(B),XQ(c)
- P(c);OGATE::B(G)+R(B),XR(c)
- P(d);::B(G)+R(B)
- P(d);OGATE::QAB1(F)
- P(e);::B(G)+R(B)
- P(f);::B(G)+R(B)
- P(g);::B(G)+R(B)
- P(h);::B(G)+R(B)
- R(j);::B(G)+R(B)
- P(k);::B(G)+R(B)
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).