MESON Chess Problem Database
Problem Display
PID: 233897 (5B2/8/2BqpP2/1P6/2nk1N1R/P4Q2/4RN1K/8 w - - 0 1)
Hannemann, Knud Harald
Skakbladet, 1920
#2
11 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxa3
- 2.Sg2#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.Re4#
- 1...Qb4
- 2.Sg2#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.Re4#
- 2.Qd3#
- 1...Qxf4+
- 2.Rxf4#
- 1...Qc5
- 2.Sg2#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.Re4#
- 2.Qd3#
- 1...Qe5
- 2.Qd3#
- 1...Qc7
- 2.Re4#
- 2.Qd3#
- 1...Qe7
- 2.Sxe6#
- 1...Qb8
- 2.Re4#
- 2.Qd3#
- 1...Qxf8
- 2.Sxe6#
- 1...Qd5
- 2.Sxd5#
- 2.Sxe6#
- 2.Qd3#
- 1...Qxc6
- 2.Sd5#
- 2.Sxe6#
- 2.Qd3#
- 1...Qd7
- 2.Sg2#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.Re4#
- 2.Qd3#
- 1...Qd8
- 2.Sg2#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.Re4#
- 2.Qd3#
- 1...Se5
- 2.Sxe6#
- 1...e5
- 2.Se6#
- 1...Qxa3
- Tries
- 1.Bxd6?
- threat
- 2.Sg2#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.Re4#
- 2.Qd3#
- 1...Sxd6
- 2.Sxe6#
- 1...Sb2
- 2.Sg2#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.Re4#
- 1...Sd2
- 2.Sxe6#
- 2.Qd3#
- 1...Se5
- 2.Sxe6#
- 2.Re4#
- 1...e5
- 2.Se6#
- 2.Re4#
- 2.Qd3#
- 1...Se3!
- threat
- 1.Bxd6?
- Keys
- 1.Rc2!
- 1...Qxf4+
- 2.Qxf4#
- 1...Kc5
- 2.Qe3#
- 1...Ke5
- 2.Sg6#
- 1...Qxa3
- 2.S4d3#
- 2.Sg6#
- 2.Qe4#
- 1...Qxf8
- 2.S4d3#
- 1...Qxc6
- 2.Qc3#
- 1...Sxa3
- 2.Qe4#
- 2.Qc3#
- 1...Qb4
- 2.S4d3#
- 2.Sg6#
- 2.Qe4#
- 1...Qc5
- 2.S4d3#
- 2.Sg6#
- 2.Qe4#
- 2.Qc3#
- 1...Qe5
- 2.Qc3#
- 2.Qd3#
- 1...Qc7
- 2.Qe4#
- 2.Qc3#
- 1...Qe7
- 2.S4d3#
- 1...Qb8
- 2.Qe4#
- 2.Qc3#
- 1...Qd5
- 2.Qc3#
- 1...Qd7
- 2.S4d3#
- 2.Sg6#
- 2.Qe4#
- 2.Qc3#
- 1...Qd8
- 2.S4d3#
- 2.Sg6#
- 2.Qe4#
- 2.Qc3#
- 1...Sb2
- 2.Qe4#
- 2.Qc3#
- 1...Sd2
- 2.Qc3#
- 1...Se3
- 2.Qe4#
- 1...Sa5
- 2.Qe4#
- 2.Qc3#
- 1...Se5
- 2.Se2#
- 2.Sxe6#
- 2.Qe4#
- 2.Qc3#
- 1...Sb6
- 2.Qe4#
- 2.Qc3#
- 1...e5
- 2.Se6#
- 1...Qxf4+
- 1.Rc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- Q(c);CHECK,OGATE,P_SPINQ(c),XS(F)::R(G),XQ(c)
- Q(c);::QAR1(E)
- Q(c);N_PINS(F)::R(G)+S(F),DCHECK,XP(d)
- Q(c);N_PINS(F),XB(K)::R(G)+S(F),DCHECK,XP(d)
- S(a);N_PINS(F)::R(G)+S(F),DCHECK,XP(d)
- P(d);N_PINS(F)::R(G)+S(F),DCHECK
- Tries
- Try
- B(K);N_SPINS(F),XQ(c)
- Threat
- DUALS(8)
- Vars
- S(a);XB(K)::R(G)+S(F),DCHECK,XP(d)
- Refutation
- S(a);
- Try
- Actual
- R(A);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XS(F)::QAR2(E),XQ(c)
- K(b);P_SPINQ(c),P_SPINS(a),S_FLIGHT::QAB(E)
- K(b);N_PINS(F),S_FLIGHT::S(F)
- Q(c);N_PINS(F),XB(K)::R(G)+S(F)
- Q(c);N_PINS(F),XB(I)::QAB1(E)
- Q(c);N_PINS(F)::R(G)+S(F)
- Q(c);N_PINS(F)::QAB1(E)
- S(a);::QAB1(E)
- S(a);::QAR1(E)
- P(d);N_PINS(F),SBLOCK::R(G)+S(F),DCHECK
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).