MESON Chess Problem Database
Problem Display
PID: 175134 (3K4/B2P3p/2N3p1/1b1kN3/pp4Q1/q7/4P3/5B2 w - - 0 1)
Moller, J?
320 Danske Skakopgaver, 1902
#2
8 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Tries
- 1.Kc7?
- threat
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Bxe2
- 2.d8Q#
- 2.d8R#
- 1...Qc1
- 2.Bg2#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qb2
- 2.Bg2#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qa1
- 2.Bg2#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qa2
- 2.Bg2#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qb3
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qc3
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qd3
- 2.d8Q#
- 2.d8R#
- 1...Qe3
- 2.d8Q#
- 2.d8R#
- 1...Qf3
- 2.d8Q#
- 2.d8R#
- 1...Qg3
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qh3
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Bd3
- 2.d8Q#
- 2.d8R#
- 1...Bc4
- 2.Qxc4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Ba6
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...b3
- 2.Bg2#
- 2.e4#
- 1...g5
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...h6
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Bxc6!
- threat
- 1.Ke7?
- threat
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Bxe2
- 2.Qd4#
- 2.d8Q#
- 2.d8R#
- 1...Bxc6
- 2.Qd4#
- 1...Qc1
- 2.Bg2#
- 2.Qf3#
- 2.Qg2#
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qb2
- 2.Bg2#
- 2.Qf3#
- 2.Qg2#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qa1
- 2.Bg2#
- 2.Qf3#
- 2.Qg2#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qa2
- 2.Bg2#
- 2.Qf3#
- 2.Qg2#
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qb3
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qc3
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qf3
- 2.Qxf3#
- 2.Qd4#
- 2.d8Q#
- 2.d8R#
- 1...Qg3
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Qh3
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Bd3
- 2.Qd4#
- 2.d8Q#
- 2.d8R#
- 1...Bc4
- 2.Qxc4#
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...Ba6
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...g5
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...h6
- 2.Qd4#
- 2.e4#
- 2.d8Q#
- 2.d8R#
- 1...b3+!
- threat
- 1.Sc4?
- threat
- 2.Se7#
- 1...Kxc6
- 2.Qe4#
- 1...Bxc6
- 2.e4#
- 1...Qe3
- 2.Sxb4#
- 1...b3
- 2.Bg2#
- 1...Bxc4!
- threat
- 1.Se7+?
- 1...Kd6
- 2.Sf7#
- 1...Kxe5!
- 1...Kd6
- 1.Bg2+?
- 1...Kd6
- 2.Sf7#
- 1...Qf3!
- 1...Kd6
- 1.Qe6+?
- 1...Ke4
- 2.Sd3#
- 2.Sxg6#
- 1...Kxe6!
- 1...Ke4
- 1.Qc4+?
- 1...Kd6
- 2.Sf7#
- 2.Bc5#
- 2.Bb8#
- 1...Bxc4!
- 1...Kd6
- 1.Kc7?
- Keys
- 1.Sf7!
- threat
- 2.Se7#
- 1...Kxc6
- 2.Qe4#
- 1...Bxc6
- 2.e4#
- 1...Qe3
- 2.Sxb4#
- 1...b3
- 2.Bg2#
- threat
- 1.Sf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(H);S_FLIGHT
- Threat
- DUALS(3)
- Vars
- B(d);XP(B)::P=Q
- Q(a);::P=Q
- B(d);::P=Q
- Refutation
- B(d);XS(E)
- Try
- K(H);S_FLIGHT
- Threat
- DUALS(4)
- Vars
- B(d);XS(E)::QAR1(C)
- Refutation
- P(c);CHECK
- Try
- S(D);
- Threat
- S(E)
- Vars
- K(e);S_FLIGHT,XS(E)::QAB(C)
- B(d);SBLOCK,XS(E)::P(B)
- Q(a);N_GUARD::S(E),XP(c)
- P(c);S_CUTQ(a)::B(A)
- Refutation
- B(d);XS(D)
- Try
- S(E);CHECK
- Vars
- K(e);P-FLIGHT::S(D)
- Refutation
- K(e);P-FLIGHT,XS(D)
- Try
- B(A);CHECK
- Vars
- K(e);P-FLIGHT::S(D)
- Refutation
- Q(a);P_SPINQ(a)
- Try
- Q(C);CHECK
- Refutation
- K(e);S_FLIGHT,XQ(C)
- Try
- Q(C);CHECK
- Refutation
- B(d);XQ(C)
- Try
- Actual
- S(D);
- Threat
- S(E)
- Vars
- K(e);S_FLIGHT,XS(E)::QAB(C)
- B(d);SBLOCK,XS(E)::P(B)
- Q(a);N_GUARD::S(E),XP(c)
- P(c);S_CUTQ(a)::B(A)
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).