MESON Chess Problem Database
Problem Display
PID: 156071 (1R2Bn2/b7/1n1pN3/pP5p/1k1N2R1/1Pp4r/K1P1r3/5Q2 w - - 0 1)
Isaev, Leonid Antonovich
Nederlandse Bond van Probleemvrienden, 1932
#2
10 + 10
| 1577 | Jaarboek | 1932 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sc6#
- 1...Rxc2+
- 2.Sxc2#
- 1...Rd2
- 2.Sc6#
- 1...Rf2
- 2.Sc6#
- 1...Rg2
- 2.Sc6#
- 1...Reh2
- 2.Sc6#
- 1...Ree3
- 2.Sc6#
- 1...Re4
- 2.Sc6#
- 1...Re5
- 2.Sc6#
- 1...Sa4
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sd5
- 2.Sc6#
- 1...Sbd7
- 2.Sc6#
- 1...Sa8
- 2.Sc6#
- 1...Sc8
- 2.Sc6#
- 1...d5
- 2.Qxf8#
- 1...Re1
- Tries
- 1.Sxe2+?
- 1...Sc4
- 2.Rxc4#
- 1...hxg4!
- 1...Sc4
- 1.Qc1?
- threat
- 2.Qa3#
- 1...Rxc2+
- 2.Sxc2#
- 1...Sc4
- 2.Sc6#
- 1...a4!
- threat
- 1.Qf5?
- threat
- 2.Sc6#
- 1...Rxc2+
- 2.Sxc2#
- 1...d5
- 2.Qxf8#
- 1...Re5!
- threat
- 1.Sxe2+?
- Keys
- 1.Rg5!
- threat
- 2.Sc6#
- 1...Rxc2+
- 2.Sxc2#
- 1...d5
- 2.Qxf8#
- threat
- 1.Rg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- R(a);N_PINP(C)::R(F)+S(E),DCHECK
- R(a);CHECK,XP(C)::R(F)+S(E),DCHECK,XR(a)
- R(a);::R(F)+S(E),DCHECK
- R(a);N_PINP(C)::S(E)
- S(g);::R(F)+S(E),DCHECK
- S(g);::S(E)
- P(h);OGATEB::QAB(A),XS(j)
- Tries
- Try
- S(E);CHECK,N_SPINP(C),XR(a)
- Vars
- S(g);N_GUARD,P_SPINS(g)::R1(F),XS(g)
- Refutation
- P(f);XR(F)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- R(a);CHECK,XP(C)::R(F)+S(E),DCHECK,XR(a)
- S(g);::S(E)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- R(F)+S(E),DCHECK
- Vars
- R(a);CHECK,XP(C)::R(F)+S(E),DCHECK,XR(a)
- P(h);OGATEB::QAB(A),XS(j)
- Refutation
- R(a);N_PINP(C)
- Try
- Actual
- R(F);
- Threat
- S(E)
- Vars
- R(a);CHECK,XP(C)::S(E),XR(a)
- P(h);OGATEB::QAB(A),XS(j)
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).