MESON Chess Problem Database
Problem Display
PID: 201378 (8/4B3/2p1n3/2n1p3/1P1kb3/2ppR3/B2P1KN1/7Q w - - 0 1)
Bertacchi, A
L'Alfiere di Re, 1922
#2
8 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sf4
- 2.Bxc5#
- 1...Sg5
- 2.Bxc5#
- 1...Sc7
- 2.Bxc5#
- 1...Sg7
- 2.Bxc5#
- 1...Sd8
- 2.Bxc5#
- 1...Sf8
- 2.Bxc5#
- 1...cxd2
- 2.Qa1#
- 1...c2
- 2.Qa1#
- 1...Sf4
- Tries
- 1.Qe1?
- threat
- 2.dxc3#
- 1...cxd2
- 2.Qa1#
- 1...Sa4
- 2.Rxe4#
- 1...c2
- 2.Qa1#
- 1...Sb3!
- threat
- 1.Qe1?
- Keys
- 1.Sh4!
- 1...Bxh1
- 2.Sf5#
- 1...cxd2
- 2.Qa1#
- 1...Sb3
- 2.Qxe4#
- 1...Bg2
- 2.Sf5#
- 1...Bf3
- 2.Sxf3#
- 2.Sf5#
- 1...Bd5
- 2.Sf5#
- 1...Bf5
- 2.Sf3#
- 2.Sxf5#
- 1...Bg6
- 2.Sf3#
- 1...Bh7
- 2.Sf3#
- 1...Sa4
- 2.Rxe4#
- 2.Qxe4#
- 1...Sa6
- 2.Rxe4#
- 2.Qxe4#
- 1...Sb7
- 2.Rxe4#
- 2.Qxe4#
- 1...Sd7
- 2.Rxe4#
- 2.Qxe4#
- 1...Sf4
- 2.Bxc5#
- 1...Sg5
- 2.Bxc5#
- 1...Sc7
- 2.Bxc5#
- 1...Sg7
- 2.Bxc5#
- 1...Sd8
- 2.Bxc5#
- 1...Sf8
- 2.Bxc5#
- 1...c2
- 2.Qa1#
- 1...Bxh1
- 1.Sh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(h);N_GUARD::B(H),XS(e)
- P(a);OGATEB,XP(C)::QAB(A)
- P(a);OGATEB::QAB(A)
- Tries
- Try
- Q(A);
- Threat
- P(C),XP(a)
- Vars
- P(a);OGATEB,XP(C)::QAB(A)
- S(e);N_GUARD::R1(F),XB(d)
- P(a);OGATEB::QAB(A)
- Refutation
- S(e);
- Try
- Actual
- S(E);
- Vars
- B(d);N_GUARD,XQ(A)::S(E)
- P(a);OGATEB,XP(C)::QAB(A)
- S(e);N_GUARD::QAR1(A),XB(d)
- B(d);N_GUARD::S(E)
- S(h);N_GUARD::B(H),XS(e)
- P(a);OGATEB::QAB(A)
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).