MESON Chess Problem Database
Problem Display
PID: 82372 (2BB4/r2nN1R1/p6n/R3N1Pp/4pk2/3Pp2p/4Pb1P/K4Q2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
2nd HM., Rochade Europa, 1996
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sg4
- 2.S5g6#
- 1...Sf5
- 2.S7g6#
- 1...Sc5
- 2.S7g6#
- 1...Sxe5
- 2.Sd5#
- 1...Sb6
- 2.S5g6#
- 2.S7g6#
- 1...Sf6
- 2.S5g6#
- 1...Sb8
- 2.S5g6#
- 2.S7g6#
- 1...Sg4
- Tries
- 1.Qg2?
- threat
- 2.S5g6#
- 2.Qxe4#
- 1...Sxe5
- 2.Sd5#
- 2.Qxe4#
- 1...exd3
- 2.Sxd3#
- 2.S5g6#
- 2.Qf3#
- 1...Sc5
- 2.S5g6#
- 2.S7g6#
- 1...Bg3
- 2.Qxe4#
- 2.Qxg3#
- 2.hxg3#
- 1...Sf6
- 2.S5g6#
- 2.S7g6#
- 1...Sf8
- 2.Qxe4#
- 1...hxg2!
- threat
- 1.Qxh3?
- threat
- 2.S5g6#
- 2.S7g6#
- 1...Sxe5
- 2.Sd5#
- 1...exd3
- 2.Qf3#
- 1...Sc5
- 2.S7g6#
- 1...Sg4
- 2.S5g6#
- 1...Sf5
- 2.S7g6#
- 2.Qxf5#
- 1...Sf6
- 2.S5g6#
- 1...Sf8!
- threat
- 1.Qg2?
- Keys
- 1.Qh1!
- threat
- 2.Qxe4#
- 1...exd3
- 2.Qf3#
- 1...Sc5
- 2.S7g6#
- 1...Sf6
- 2.S5g6#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(h);SBLOCK::S(G)
- S(h);SBLOCK::S(I)
- S(j);::S(I)
- S(j);SBLOCK,XS(G)::S(I)
- S(j);::S(G)
- Tries
- Try
- Q(B);N_PINB(a)
- Threat
- DUALS(2)
- Vars
- S(j);::QAR1(B),XP(d)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);N_PINB(a),XP(c)
- Threat
- DUALS(2)
- Vars
- S(j);SBLOCK,XS(G)::S(I)
- P(d);N_GUARD,XP(E)::QAR1(B)
- S(j);::S(I)
- S(h);::S(G)
- S(j);::S(G)
- Refutation
- S(j);
- Try
- Actual
- Q(B);N_PINB(a)
- Threat
- QAR1(B),XP(d)
- Vars
- P(d);N_GUARD,XP(E)::QAR1(B)
- S(j);::S(I)
- S(j);::S(G)
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).