MESON Chess Problem Database
Problem Display
PID: 219080 (2r1Nb2/pR3P2/5Q2/1Pk4r/K1p5/1n2P3/6N1/8 w - - 0 1)
Zim, Joh Karl
Baltimore American and Commercial Advertiser, 1882
#2
8 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh2
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh3
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh4
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh7
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh8
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rc6
- 2.Qxc6#
- 1...Ra8
- 2.Qc6#
- 1...Rb8
- 2.Qc6#
- 1...Rd8
- 2.Qc6#
- 1...Rxe8
- 2.Qc6#
- 1...Bd6
- 2.Qxd6#
- 1...Bh6
- 2.Qd6#
- 1...Bg7
- 2.Qd6#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Rh1
- Tries
- 1.Qe7+?
- 1...Kd5
- 2.Sf4#
- 2.Sf6#
- 2.Rd7#
- 1...Bxe7!
- 1...Kd5
- 1.Qe7+?
- Keys
- 1.Sf4!
- 1...Rxe8
- 2.Rc7#
- 2.Qc6#
- 1...c3
- 2.Qxc3#
- 1...Rh1
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh2
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh3
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh4
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rd5
- 2.Se6#
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh7
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rh8
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Rxc7#
- 1...Ra8
- 2.Rc7#
- 2.Qc6#
- 1...Rb8
- 2.Rc7#
- 2.Qc6#
- 1...Rd8
- 2.Rc7#
- 2.Qc6#
- 1...Bd6
- 2.Qxd6#
- 1...Bh6
- 2.Qe7#
- 2.Qd6#
- 1...Be7
- 2.Qxe7#
- 1...Bg7
- 2.Qe7#
- 2.Qd6#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 2.exd4#
- 1...Sa5
- 2.Qd4#
- 1...a5
- 2.Qb6#
- 1...a6
- 2.Qb6#
- 1...Rxe8
- 1.Sf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 7
- Sets
- R(d);N_GUARD::QAR2(E),XR(d)
- R(d);N_GUARD::QAR(E),XR(d)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD,XS(H)::QAR1(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- Tries
- Try
- Q(E);CHECK
- Refutation
- B(g);XQ(E)
- Try
- Actual
- S(A);
- Vars
- P(b);OGATEB::QAR2(E),XP(b)
- R(d);SBLOCK::S(A)
- R(d);N_GUARD::QAR2(E),XR(d)
- R(d);N_GUARD::QAR(E),XR(d)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::R(F),XR(f)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB(E),XB(g)
- S(a);N_GUARD::QAB1(E)
- P(e);N_GUARD::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).