MESON Chess Problem Database
Problem Display
PID: 125148 (kB3Q1K/1p1N4/N7/1n6/p1n5/8/8/8 w - - 0 1)
Sobek, Karel
Ruch, 1947
#2
5 + 5
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...bxa6
- 2.Qf3#
- 1...b6
- 2.Qf3#
- 1...Sb2
- Tries
- 1.Kg7?
- 1...bxa6
- 2.Qf3#
- 1...b6
- 2.Qf3#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Kh7?
- 1...bxa6
- 2.Qf3#
- 1...b6
- 2.Qf3#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Kg8?
- 1...bxa6
- 2.Qf3#
- 1...b6
- 2.Qf3#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qc5?
- 1...bxa6
- 2.Qd5#
- 2.Qc6#
- 1...b6
- 2.Qd5#
- 2.Qc6#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 2.Qa7#
- 1...Sc3
- 2.Sc7#
- 2.Qa7#
- 1...Sd4
- 2.Sc7#
- 2.Qa7#
- 1...Sbd6
- 2.Sc7#
- 2.Qa7#
- 1...Sa7
- 2.Sc7#
- 2.Qxa7#
- 1...Sc7
- 2.Sxc7#
- 2.Qa7#
- 1...a3!
- 1...bxa6
- 1.Qd6?
- 1...Scxd6
- 2.Sb6#
- 1...Sbxd6
- 2.Sc7#
- 1...bxa6
- 2.Qd5#
- 2.Qc6#
- 1...b6
- 2.Qd5#
- 2.Qc6#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...Scxd6
- 1.Qh6?
- 1...bxa6
- 2.Qh1#
- 2.Qc6#
- 1...b6
- 2.Qh1#
- 2.Qc6#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qe7?
- 1...bxa6
- 2.Qe4#
- 1...b6
- 2.Qe4#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qg7?
- 1...bxa6
- 2.Qg2#
- 1...b6
- 2.Qg2#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qf1?
- 1...bxa6
- 2.Qg2#
- 2.Qh1#
- 2.Qf3#
- 1...b6
- 2.Qg2#
- 2.Qh1#
- 2.Qf3#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qf2?
- 1...bxa6
- 2.Qg2#
- 2.Qf3#
- 1...b6
- 2.Qg2#
- 2.Qf3#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 2.Qa7#
- 1...Sc3
- 2.Sc7#
- 2.Qa7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 2.Qa7#
- 1...Sa7
- 2.Sc7#
- 2.Qxa7#
- 1...Sc7
- 2.Sxc7#
- 2.Qa7#
- 1...a3!
- 1...bxa6
- 1.Qf3?
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...Sb2
- 1.Qf4?
- 1...bxa6
- 2.Qf3#
- 2.Qe4#
- 1...b6
- 2.Qf3#
- 2.Qe4#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qf5?
- 1...bxa6
- 2.Qe4#
- 2.Qf3#
- 2.Qd5#
- 1...b6
- 2.Qe4#
- 2.Qf3#
- 2.Qd5#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qf6?
- 1...bxa6
- 2.Qf3#
- 2.Qc6#
- 1...b6
- 2.Qf3#
- 2.Qc6#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qf7?
- 1...bxa6
- 2.Qd5#
- 2.Qf3#
- 1...b6
- 2.Qd5#
- 2.Qf3#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qc8?
- 1...bxa6
- 2.Qc6#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...b6
- 2.Qc6#
- 1...a3!
- 1...bxa6
- 1.Qe8?
- 1...bxa6
- 2.Qe4#
- 1...b6
- 2.Qe4#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Qg8?
- 1...bxa6
- 2.Qd5#
- 2.Qg2#
- 1...b6
- 2.Qd5#
- 2.Qg2#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sca3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sba3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...a3!
- 1...bxa6
- 1.Kg7?
- Keys
- 1.Qa3!
- 1...Scxa3
- 2.Sb6#
- 1...Sbxa3
- 2.Sc7#
- 1...bxa6
- 2.Qf3#
- 1...b6
- 2.Qf3#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sc3
- 2.Sc7#
- 1...Sd4
- 2.Sc7#
- 1...Sbd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Scxa3
- 1.Qa3!
Anticipated by 120038(1912)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- P(d);OGATEB,XS(A)::QAB(D)
- P(d);OGATEB::QAB(D)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- P(d);OGATEB,XS(A)::QAB(D)
- P(d);OGATEB::QAB(D)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- K(E);P-FLIGHT
- Vars
- P(d);OGATEB,XS(A)::QAB(D)
- P(d);OGATEB::QAB(D)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- K(E);P-FLIGHT
- Vars
- P(d);OGATEB,XS(A)::QAB(D)
- P(d);OGATEB::QAB(D)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD,XQ(D)::S(B)
- S(c);N_GUARD,XQ(D)::S(A)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- P(d);OGATEB,XS(A)::QAB(D)
- P(d);OGATEB::QAB(D)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- P(d);OGATEB,XS(A)::QAB(D)
- P(d);OGATEB::QAB(D)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- Refutation
- P(a);
- Try
- Q(D);P_PINP(d)
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- P(d);OGATEB,XS(A)::QAB(D)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- P(d);OGATEB::QAB(D)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- P(d);OGATEB,XS(A)::QAB(D)
- P(d);OGATEB::QAB(D)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Q(D);
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(a);
- Try
- Actual
- Q(D);
- Vars
- S(b);N_GUARD,XQ(D)::S(B)
- S(c);N_GUARD,XQ(D)::S(A)
- P(d);OGATEB,XS(A)::QAB(D)
- P(d);OGATEB::QAB(D)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
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).