MESON Chess Problem Database
Problem Display
PID: 179026 (2n3B1/qpb5/5pNK/2Qppk2/r1n4R/3P4/6N1/8 w - - 0 1)
Tuhan-Baranowski, Leon
2nd HM., Magasinet, 1931
#2
7 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Qf2#
- 1...Qa5
- 2.Qf2#
- 1...Qa6
- 2.Qf2#
- 1...Qa8
- 2.Qf2#
- 1...Ba5
- 2.Qxc8#
- 1...Bb6
- 2.Qxc8#
- 1...Bd6
- 2.Qxc8#
- 1...Bb8
- 2.Qxc8#
- 1...Bd8
- 2.Qxc8#
- 1...Sb2
- 2.Se3#
- 1...Sd2
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sa5
- 2.Se3#
- 1...S4b6
- 2.Se3#
- 1...S4d6
- 2.Se3#
- 1...S8b6
- 2.Se7#
- 2.Qf2#
- 1...S8d6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d4
- 2.Rf4#
- 1...e4
- 2.dxe4#
- 1...b6
- 2.Qf2#
- 1...Qb8
- Tries
- 1.Sf8?
- threat
- 2.Be6#
- 2.Bh7#
- 1...Qb6
- 2.Bh7#
- 1...Qa6
- 2.Bh7#
- 2.Qf2#
- 1...Ra6
- 2.Bh7#
- 1...Se7
- 2.Be6#
- 1...e4!
- threat
- 1.Rxc4?
- threat
- 2.Se3#
- 2.S2h4#
- 2.S6h4#
- 1...Qxc5
- 2.S2h4#
- 2.S6h4#
- 1...Rxc4
- 2.Se3#
- 1...dxc4
- 2.Se3#
- 1...e4
- 2.Se3#
- 1...d4!
- threat
- 1.Qxd5?
- threat
- 2.Be6#
- 2.Rf4#
- 2.Qf3#
- 2.Qe4#
- 2.Qe6#
- 2.Qd7#
- 1...Qb6
- 2.Rf4#
- 2.Qf3#
- 2.Qe4#
- 1...Qf2
- 2.Be6#
- 2.Qe4#
- 2.Qe6#
- 2.Qd7#
- 1...Qd4
- 2.Be6#
- 2.Qe6#
- 1...Qa6
- 2.Rf4#
- 2.Qf3#
- 2.Qe4#
- 1...Ra6
- 2.Rf4#
- 2.Qf3#
- 2.Qe4#
- 1...Bd6
- 2.Be6#
- 2.Rf4#
- 2.Qf3#
- 2.Qe4#
- 2.Qe6#
- 1...Sb2
- 2.Be6#
- 2.Qe6#
- 2.Qd7#
- 1...Sd2
- 2.Be6#
- 2.Qe6#
- 2.Qd7#
- 1...Sa3
- 2.Be6#
- 2.Qe6#
- 2.Qd7#
- 1...Se3
- 2.Be6#
- 2.Qe6#
- 2.Qd7#
- 1...Sa5
- 2.Be6#
- 2.Qe6#
- 2.Qd7#
- 1...S4b6
- 2.Se3#
- 2.Be6#
- 2.Qe6#
- 1...S4d6
- 2.Be6#
- 2.Qe6#
- 1...S8b6
- 2.Se7#
- 2.Be6#
- 2.Rf4#
- 2.Qf3#
- 2.Qe4#
- 2.Qe6#
- 1...S8d6
- 2.Se7#
- 2.Be6#
- 2.Rf4#
- 2.Qf3#
- 2.Qe6#
- 1...Qe3+!
- threat
- 1.Sf8?
- Keys
- 1.Sxe5!
- threat
- 2.Rh5#
- 1...Kxe5
- 2.Qxd5#
- 1...Bxe5
- 2.Qxc8#
- 1...Sxe5
- 2.Se3#
- 1...fxe5
- 2.Qf8#
- threat
- 1.Sxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 21
- Sets
- Q(g);N_GUARD::QAR(D)
- B(i);OGATE::QAB(D),XS(j)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(j);N_GUARD::S(E)
- S(j);N_GUARD::S(E),XS(j)
- P(c);P_SPINP(d)::R1(C)
- P(d);OGATE,P_SPINP(c)::P(B),XP(d)
- P(h);S_CUTQ(g)::QAR(D)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(g);::B(G)
- R(a);::B(G)
- S(j);::B(G)
- Refutation
- P(d);P_SPINP(c)
- Try
- R(C);XS(b)
- Threat
- DUALS(3)
- Vars
- R(a);XR(C)::S(A)
- P(c);P_SPINP(d),XR(C)::S(A)
- P(d);P_SPINP(c)::S(A)
- Refutation
- P(c);P_SPINP(d)
- Try
- Q(D);P_PINP(d),XP(c)
- Threat
- DUALS(6)
- Refutation
- Q(g);CHECK
- Try
- Actual
- S(E);XP(d)
- Threat
- R(C)
- Vars
- K(e);OGATEB,P-FLIGHT,P_SPINP(c),XS(E)::QAR1(D),XP(c)
- B(i);OGATE,SBLOCK,XS(E)::QAB(D),XS(j)
- S(b);N_GUARD,SBLOCK,XS(E)::S(A)
- P(f);OGATEB,SBLOCK,XS(E)::QAR(D)
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).