MESON Chess Problem Database
Problem Display
PID: 87874 (q6B/4p2b/1p2P3/1R6/2Nr2PK/1PkNp2p/2P1Q3/8 w - - 0 1)
Vakhlakov, Yuri Nikolaevich
Uralski Problemist, 1999
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.Qxd3#
- 1...Bxd3
- Tries
- 1.Sdb2?
- threat
- 2.Sd1#
- 1...Qxh8
- 2.Sa4#
- 1...Bxc2
- 2.Qe1#
- 1...Qh1
- 2.Sa4#
- 1...Qa1!
- threat
- 1.Scb2?
- threat
- 2.Sd1#
- 1...Qh1
- 2.Sa4#
- 1...Qa1!
- threat
- 1.Sxe3?
- threat
- 2.Sd1#
- 2.Qe1#
- 1...Bxd3
- 2.Sd1#
- 1...Qa1
- 2.Sd5#
- 1...Qg2
- 2.Sd1#
- 1...Qh1!
- threat
- 1.Sdb2?
- Keys
- 1.Sb4!
- threat
- 2.Qe1#
- 1...Qxh8
- 2.Sa2#
- 1...Bxc2
- 2.Qxc2#
- 1...Qa1
- 2.Sd5#
- 1...Qh1
- 2.Sa2#
- 1...Qg2
- 2.Sa2#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- B(g);OGATE,XS(D)::QAR1(B),XB(g)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- Q(h);N_GUARD,N_SPINR(d),XB(J)::S(D)
- B(g);SBLOCK,XP(A)::QAB(B)
- Q(h);N_GUARD::S(D)
- Refutation
- Q(h);
- Try
- S(E);
- Threat
- S(E)
- Vars
- Q(h);N_GUARD::S(E)
- Refutation
- Q(h);
- Try
- S(E);XP(b)
- Threat
- DUALS(2)
- Vars
- B(g);XS(D)::S(E)
- Q(h);N_GUARD::S(E)
- Q(h);::S(E)
- Refutation
- Q(h);
- Try
- Actual
- S(D);
- Threat
- QAB(B)
- Vars
- Q(h);N_GUARD,N_SPINR(d),XB(J)::S(D)
- B(g);OGATE,XP(A)::QAR1(B),XB(g)
- Q(h);N_GUARD::S(D)
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).