MESON Chess Problem Database
Problem Display
PID: 240514 (5B2/2p5/Nn4r1/p2Q4/k3n3/5BR1/N1p5/2K2b2 w - - 0 1)
Pilchenko, Viacheslav Karlovich
Problem-Forum, 2005
#2
7 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sxg3
- 2.Sc3#
- 1...Sg5
- 2.Sc3#
- 1...Sf6
- 2.Sc3#
- 1...Sd2
- Tries
- 1.Qc6+?
- 1...Kb3
- 2.Qxc2#
- 1...Bb5
- 2.Qxc2#
- 1...Rxc6!
- 1...Kb3
- 1.Qc6+?
- Keys
- 1.Be2!
- threat
- 2.Ra3#
- 2.Qb3#
- 2.Qb5#
- 1...Rxg3
- 2.Qb5#
- 1...Bxe2
- 2.Ra3#
- 2.Qb3#
- 1...Sxg3
- 2.Sc3#
- 2.Qb5#
- 1...Sxd5
- 2.Ra3#
- 1...Rg5
- 2.Ra3#
- 2.Qb3#
- 1...Rd6
- 2.Qb3#
- 2.Qb5#
- 1...Sd2
- 2.Sc3#
- 2.Sc5#
- 2.Ra3#
- 2.Qb5#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 2.Qb3#
- 1...Sc4
- 2.Qxc4#
- 1...c5
- 2.Qb3#
- 1...c6
- 2.Ra3#
- 2.Qb3#
- threat
- 1.Be2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD,XR(D)::S(B)
- Tries
- Try
- Q(E);CHECK
- Vars
- K(c);S_FLIGHT::QAB1(E),XP(b)
- B(a);P_SPINB(a),SBLOCK::QAB(E),XP(b)
- Refutation
- R(g);XQ(E)
- Try
- Actual
- B(C);
- Threat
- DUALS(3)
- Vars
- R(g);XR(D)::QAB1(E)
- S(f);XQ(E)::R1(D)
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(F),XS(d)
- S(f);N_GUARD::QAR2(E),XS(f)
- P(h);::QAB1(E)
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).