MESON Chess Problem Database
Problem Display
PID: 204285 (8/q1P3N1/p6B/R1b1k2p/2nRp3/NB5r/5QnP/5bK1 w - - 0 1)
Lobel, Ernst
2nd Prize, Munchner Post, 1925
#2
10 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Rxc5#
- 1...Rd3
- 2.Sxc4#
- 1...Sb2
- 2.Rd5#
- 1...Sd2
- 2.Rd5#
- 1...Sxa3
- 2.Rd5#
- 1...Sxa5
- 2.Rd5#
- 1...Sd6
- 2.Rd5#
- 1...Qb8
- Tries
- 1.Rd8?
- threat
- 2.Qd4#
- 1...Sxa5
- 2.Rd5#
- 1...e3
- 2.Qf5#
- 1...Rd3
- 2.Sxc4#
- 1...Re3
- 2.Qf5#
- 1...Sge3
- 2.Qf4#
- 1...Sce3
- 2.Qb2#
- 1...Sd6!
- threat
- 1.Rd8?
- Keys
- 1.Rd7!
- threat
- 2.Qd4#
- 1...Sxa5
- 2.Rd5#
- 1...e3
- 2.Qf5#
- 1...Rd3
- 2.Sxc4#
- 1...Re3
- 2.Qf5#
- 1...Sge3
- 2.Qf4#
- 1...Sce3
- 2.Qb2#
- 1...Sd6
- 2.Re7#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- Q(j);N_GUARD::R(G),XB(f)
- R(c);S_CUTB(a)::S(D),XS(d)
- S(d);::R1(F)
- S(d);XS(D)::R1(F)
- S(d);N_SPINB(f),XR(G)::R1(F)
- Tries
- Try
- R(F);P_SPINQ(B)
- Threat
- QAB1(B)
- Vars
- S(d);N_SPINB(f),XR(G)::R1(F)
- P(e);N_PINQ(B)::QAR1(B)
- R(c);S_CUTB(a)::S(D),XS(d)
- R(c);N_PINQ(B)::QAR1(B)
- S(b);N_PINQ(B)::QAB1(B)
- S(d);N_PINQ(B)::QAB(B)
- Refutation
- S(d);
- Try
- Actual
- R(F);P_SPINQ(B)
- Threat
- QAB1(B)
- Vars
- S(d);N_SPINB(f),XR(G)::R1(F)
- P(e);N_PINQ(B)::QAR1(B)
- R(c);S_CUTB(a)::S(D),XS(d)
- R(c);N_PINQ(B)::QAR1(B)
- S(b);N_PINQ(B)::QAB1(B)
- S(d);N_PINQ(B)::QAB(B)
- S(d);SBLOCK::R(F)
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).