MESON Chess Problem Database
Problem Display
PID: 177810 (8/1p6/pR1QpK2/2ppN3/2pkb3/2N2p2/3P3b/5Bn1 w - - 0 1)
Sotnik, Wolodimir
Sp. HM., Sahs (Latvia), 1990
#2
7 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxe5+
- 2.Qxe5#
- 1...a5
- 2.Sb5#
- 1...Bxe5+
- Tries
- 1.Rb4?
- threat
- 2.Rxc4#
- 1...Bxe5+
- 2.Qxe5#
- 1...cxb4
- 2.Qb6#
- 1...b5
- 2.Sc6#
- 1...Bd3!
- threat
- 1.Rc6?
- threat
- 2.Qxc5#
- 1...Bxe5+
- 2.Qxe5#
- 1...bxc6
- 2.Sxc6#
- 1...b6!
- threat
- 1.Rxb7?
- threat
- 2.Sc6#
- 1...Bxe5+
- 2.Qxe5#
- 1...Se2!
- threat
- 1.Rb4?
- Keys
- 1.Rb5!
- threat
- 2.Qxc5#
- 1...Bxe5+
- 2.Qxe5#
- 1...axb5
- 2.Sxb5#
- 1...b6
- 2.Sc6#
- threat
- 1.Rb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(b);CHECK,OGATE,XS(D)::QAB1(F),XB(b)
- P(i);N_GUARD::S(C)
- Tries
- Try
- R(E);N_PINP(h),P_PINP(d)
- Threat
- R1(E),XP(d)
- Vars
- B(b);CHECK,OGATE,XS(D)::QAB1(F),XB(b)
- P(g);N_SPINP(d),OGATEB,P_SPINP(h),XR(E)::QAB(F)
- P(k);N_GUARD::S(D)
- Refutation
- B(f);
- Try
- R(E);
- Threat
- QAB1(F),XP(g)
- Vars
- B(b);CHECK,OGATE,XS(D)::QAB1(F),XB(b)
- P(k);XR(E)::S(D),XP(k)
- Refutation
- P(k);
- Try
- R(E);XP(k)
- Threat
- S(D)
- Vars
- B(b);CHECK,OGATE,XS(D)::QAB1(F),XB(b)
- Refutation
- S(a);
- Try
- Actual
- R(E);
- Threat
- QAB1(F),XP(g)
- Vars
- B(b);CHECK,OGATE,XS(D)::QAB1(F),XB(b)
- P(i);XR(E)::S(C),XP(i)
- P(k);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).