MESON Chess Problem Database
Problem Display
PID: 181838 (k7/1pB5/3P4/1N6/1p6/1K4nn/p4pR1/5Q2 w - - 0 1)
van Dijk, Johannes
Skakbladet, 1905
#2
6 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sxf1
- 2.Rg8#
- 1...Sh1
- 2.Rg8#
- 1...Se2
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...Sf5
- 2.Rg8#
- 1...Sh5
- 2.Rg8#
- 1...a1Q
- 2.Qxa1#
- 1...a1S+
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sxf1
- Tries
- 1.Rxg3?
- threat
- 2.Rg8#
- 1...a1S+
- 2.Qxa1#
- 1...b6
- 2.Qg2#
- 2.Qh1#
- 1...Sg5!
- threat
- 1.Qc4?
- threat
- 2.Qg8#
- 1...b6
- 2.Qd5#
- 2.Qc6#
- 1...f1Q
- 2.Rxa2#
- 1...f1R
- 2.Rxa2#
- 1...a1S+!
- threat
- 1.Qa1?
- threat
- 2.Qh8#
- 2.Qxa2#
- 1...f1Q
- 2.Rxa2#
- 2.Qxa2#
- 1...f1R
- 2.Rxa2#
- 2.Qxa2#
- 1...b6!
- threat
- 1.Qe1?
- threat
- 2.Qe8#
- 1...a1S+
- 2.Qxa1#
- 1...fxe1Q
- 2.Rxa2#
- 1...fxe1S
- 2.Rxa2#
- 1...fxe1B
- 2.Rxa2#
- 1...fxe1R
- 2.Rxa2#
- 1...Se2
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...b6!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...a1S+
- 2.Qxa1#
- 1...Sxf1
- 2.Rg8#
- 2.d8Q#
- 2.d8R#
- 1...a1Q
- 2.Qxa1#
- 2.d8Q#
- 2.d8R#
- 1...a1B
- 2.Qxa1#
- 2.d8Q#
- 2.d8R#
- 1...a1R
- 2.Qxa1#
- 2.d8Q#
- 2.d8R#
- 1...Sg1
- 2.d8Q#
- 2.d8R#
- 1...Sh1
- 2.Rg8#
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.Rg8#
- 2.d8Q#
- 2.d8R#
- 1...Se4
- 2.Rg8#
- 2.d8Q#
- 2.d8R#
- 1...Sf5
- 2.Rg8#
- 2.d8Q#
- 2.d8R#
- 1...Sh5
- 2.Rg8#
- 2.d8Q#
- 2.d8R#
- 1...Sf4
- 2.d8Q#
- 2.d8R#
- 1...Sg5
- 2.d8Q#
- 2.d8R#
- 1...b6!
- threat
- 1.Rxg3?
- Keys
- 1.Qh1!
- 1...a1S+
- 2.Qxa1#
- 1...Sxh1
- 2.Rg8#
- 1...b6
- 2.Rxg3#
- 1...a1Q
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...f1Q
- 2.Rxa2#
- 1...f1S
- 2.Rxa2#
- 1...f1B
- 2.Rxa2#
- 1...f1R
- 2.Rxa2#
- 1...Sg1
- 2.Qh8#
- 1...Sf1
- 2.Rg8#
- 1...Se2
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...Sf5
- 2.Rg8#
- 1...Sh5
- 2.Rg8#
- 1...Sf4
- 2.Qh8#
- 1...Sg5
- 2.Qh8#
- 1...a1S+
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(c);OGATE,XQ(A)::R(B)
- S(c);OGATE::R(B)
- P(a);OGATEB::QAB(A),XQ(a)
- P(a);CHECK,OGATEB::QAB(A),XS(a)
- P(a);OGATEB::QAB(A),XB(a)
- P(a);OGATEB::QAB(A),XR(a)
- Tries
- Try
- R(B);XS(c)
- Threat
- R(B)
- Vars
- P(a);CHECK,OGATEB::QAB(A),XS(a)
- Refutation
- S(d);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- P(b);OGATE::R(B),XP(a)
- Refutation
- P(a);CHECK
- Try
- Q(A);P_PINP(a)
- Threat
- DUALS(2)
- Refutation
- P(f);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- P(a);CHECK,OGATEB::QAB(A),XS(a)
- P(b);OGATE,XQ(A)::R(B),XP(a)
- S(c);OGATE::R(B)
- Refutation
- P(f);
- Try
- P(E);
- Threat
- P=Q
- Vars
- P(a);CHECK,OGATEB::QAB(A),XS(a)
- S(d);::P=Q
- Refutation
- P(f);
- Try
- Actual
- Q(A);
- Vars
- P(a);CHECK,OGATEB::QAB(A),XS(a)
- S(c);OGATE,XQ(A)::R(B)
- P(f);OGATEB::QAB(A)+R(B),XS(c)
- P(a);OGATEB::QAB(A),XQ(a)
- P(a);OGATEB::QAB(A),XB(a)
- P(a);OGATEB::QAB(A),XR(a)
- P(b);OGATE::R(B),XP(a)
- S(d);OGATE::QAB1(A)
- S(c);OGATE::R(B)
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).