MESON Chess Problem Database
Problem Display
PID: 44448 (5Q2/5B2/4N1K1/1P2p3/2nPkN2/4p1R1/q7/2b5 w - - 0 1)
Reimann, Friedrich
Berliner Schachzeitung, 1870
#2
8 + 6
| 175 | Dubuque Chess Journal | 1870 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qa8#
- 1...Qb3
- 2.Qa8#
- 1...Qb2
- 2.Qa8#
- 1...Qc2
- 2.Qa8#
- 1...Qd2
- 2.Qa8#
- 1...Qe2
- 2.Qa8#
- 1...Qf2
- 2.Qa8#
- 1...Qg2
- 2.Qa8#
- 1...Qh2
- 2.Qa8#
- 1...Qa8
- 2.Qxa8#
- 1...Ba3
- 2.Qa8#
- 1...Qb1
- Tries
- 1.Be8?
- threat
- 2.Bc6#
- 2.Qf5#
- 1...exd4
- 2.Qf5#
- 1...exf4
- 2.Qf5#
- 1...Qa6
- 2.Qf5#
- 1...Qa8
- 2.Qf5#
- 1...Sb2
- 2.Qf5#
- 1...Sd2
- 2.Qf5#
- 1...Sa3
- 2.Qf5#
- 1...Sa5
- 2.Qf5#
- 1...Sb6
- 2.Qf5#
- 1...Sd6!
- threat
- 1.Qc5?
- threat
- 2.Qd5#
- 2.Qc6#
- 1...exd4
- 2.Qxd4#
- 2.Qd5#
- 2.Qf5#
- 1...exf4
- 2.Qf5#
- 1...Sd6
- 2.Qxe5#
- 1...Qa6
- 2.Qd5#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Qa8!
- threat
- 1.Be8?
- Keys
- 1.Qh8!
- 1...exd4
- 2.Qxd4#
- 1...exf4
- 2.Sc5#
- 1...Sd6
- 2.Qxe5#
- 1...Qb1
- 2.Qh1#
- 2.Qa8#
- 1...Qb3
- 2.Qh1#
- 2.Qa8#
- 1...Qa1
- 2.Qh1#
- 1...Qb2
- 2.Qa8#
- 1...Qc2
- 2.Qa8#
- 1...Qd2
- 2.Qa8#
- 1...Qe2
- 2.Qa8#
- 1...Qf2
- 2.Qa8#
- 1...Qg2
- 2.Qa8#
- 1...Qh2
- 2.Qa8#
- 1...Qa3
- 2.Qh1#
- 1...Qa4
- 2.Qh1#
- 1...Qa5
- 2.Qh1#
- 1...Qa6
- 2.Qh1#
- 1...Qa7
- 2.Qh1#
- 1...Qa8
- 2.Qh1#
- 2.Qxa8#
- 1...Bb2
- 2.Qh1#
- 1...Bd2
- 2.Qh1#
- 1...Ba3
- 2.Qa8#
- 1...Sb2
- 2.Qxe5#
- 2.Qh1#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...e2
- 2.Qh1#
- 1...exd4
- 1.Qh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 3
- Sets
- Q(b);N_GUARD::QAB(H)
- Q(b);N_GUARD,P_PINR(A)::QAB(H)
- Q(b);N_GUARD::QAB(H),XQ(b)
- B(a);S_CUTQ(b)::QAB(H)
- Tries
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- P(f);XP(B)::QAB1(H)
- P(f);XS(C)::QAB1(H)
- Q(b);P_PINS(E)::QAB1(H)
- Q(b);::QAB1(H)
- S(d);::QAB1(H)
- Refutation
- S(d);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- P(f);OGATE,XS(C)::QAB1(H)
- S(d);N_GUARD::QAR1(H),XP(f)
- Q(b);P_PINS(E)::QAB1(H)
- Refutation
- Q(b);
- Try
- Actual
- Q(H);
- Vars
- P(f);OGATE,XP(B)::QAR1(H),XP(f)
- P(f);SBLOCK,XS(C)::S(E)
- S(d);N_GUARD::QAR1(H),XP(f)
- Q(b);N_GUARD::QAB(H)
- Q(b);N_GUARD,P_PINR(A)::QAB(H)
- Q(b);N_GUARD,P_PINS(E)::QAB(H)
- B(a);S_CUTQ(b)::QAB(H)
- P(c);S_CUTQ(b)::QAB(H)
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).