MESON Chess Problem Database
Problem Display
PID: 102003 (1N1BR3/r7/1p1k4/3r1bN1/pPp1p3/3PP1P1/3R2Q1/1K6 w - - 0 1)
Colonelli, Hercules
Sinfonie Scacchistiche, 1976
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Sf7#
- 1...Ra6
- 2.Sf7#
- 1...Rf7
- 2.Sxf7#
- 1...Ra8
- 2.Sf7#
- 1...Bh3
- 2.Sxe4#
- 1...Bg4
- 2.Sxe4#
- 1...Be6
- 2.Rxe6#
- 1...Bg6
- 2.Re6#
- 1...Bd7
- 2.Sxe4#
- 2.Sf7#
- 1...Bh7
- 2.Re6#
- 1...Bc8
- 2.Sxe4#
- 1...Ra5
- Tries
- 1.dxc4?
- threat
- 2.Rxd5#
- 1...Rxd2
- 2.Qxd2#
- 1...Be6
- 2.Rxe6#
- 1...Rd4
- 2.Rxd4#
- 1...Ra5
- 2.Sf7#
- 1...Rd3!
- threat
- 1.dxc4?
- Keys
- 1.dxe4!
- threat
- 2.Rxd5#
- 1...Bxe4+
- 2.Sxe4#
- 1...Rxd2
- 2.Qxd2#
- 1...Be6
- 2.Rxe6#
- 1...Rd3
- 2.e5#
- 1...Rd4
- 2.Rxd4#
- 1...Ra5
- 2.Sf7#
- threat
- 1.dxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(h);N_GUARD::S(H)
- R(h);N_GUARD::S(H),XR(h)
- B(e);N_GUARD::S(H),XP(c)
- B(e);N_GUARD::R1(K),XB(e)
- B(e);N_GUARD::R1(K)
- Tries
- Try
- P(D);P_PINR(d),XP(b)
- Threat
- R1(B),XR(d)
- Vars
- R(d);N_SPINR(d),OGATE,XR(B)::QAR(C),XR(d)
- B(e);N_GUARD::R1(K),XB(e)
- R(d);OGATEB::R(B),XR(d)
- R(h);N_GUARD::S(H)
- Refutation
- R(d);
- Try
- Actual
- P(D);P_PINR(d),P_SPINP(D),XP(c)
- Threat
- R1(B),XR(d)
- Vars
- B(e);CHECK,XP(D)::S(H),XB(e)
- R(d);N_SPINR(d),OGATE,XR(B)::QAR(C),XR(d)
- B(e);N_GUARD,N_PINP(D)::R1(K),XB(e)
- R(d);N_PINP(D)::P(D)
- R(d);OGATEB::R(B),XR(d)
- R(h);N_GUARD::S(H)
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).