MESON Chess Problem Database
Problem Display
PID: 238574 (1K6/2B1p3/6n1/2pN1pp1/1p1k1p2/8/Np1pQPB1/n2rb3 w - - 0 1)
Labai, Zoltan
Problemist Ukraini, 2013
#2
7 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sh4
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sf8
- 2.Be5#
- 1...Sh8
- 2.Be5#
- 1...c4
- 2.Bb6#
- 1...Sh4
- Tries
- 1.Saxb4?
- threat
- 2.Sc6#
- 2.Qd3#
- 1...cxb4
- 2.Bb6#
- 1...c4
- 2.Bb6#
- 1...b1B
- 2.Sc6#
- 1...b1R
- 2.Qd3#
- 1...Se5
- 2.Bxe5#
- 1...f3
- 2.Qd3#
- 1...b1Q!
- threat
- 1.Sdxb4?
- threat
- 2.Sc6#
- 2.Qd3#
- 1...cxb4
- 2.Bb6#
- 1...c4
- 2.Bb6#
- 1...b1B
- 2.Sc6#
- 1...b1R
- 2.Qd3#
- 1...f3
- 2.Qd3#
- 1...Se5
- 2.Bxe5#
- 1...b1Q!
- threat
- 1.Sxf4?
- threat
- 2.Se6#
- 2.Qd3#
- 1...Sxf4
- 2.Be5#
- 1...c4
- 2.Se6#
- 2.Bb6#
- 2.Qe3#
- 1...b1Q
- 2.Se6#
- 1...b1B
- 2.Se6#
- 1...Se5
- 2.Se6#
- 2.Bxe5#
- 1...Sf8
- 2.Be5#
- 2.Qd3#
- 1...e6
- 2.Sxe6#
- 2.Qd3#
- 1...gxf4!
- threat
- 1.Sxe7?
- threat
- 2.Sxf5#
- 2.Sc6#
- 1...Sxe7
- 2.Be5#
- 1...c4
- 2.Bb6#
- 1...b1Q
- 2.Sc6#
- 1...b1B
- 2.Sc6#
- 1...Sh4
- 2.Sc6#
- 2.Be5#
- 1...Se5
- 2.Sxf5#
- 2.Bxe5#
- 1...f3!
- threat
- 1.Bf1?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 1...b1Q
- 2.Qc4#
- 1...b1B
- 2.Qc4#
- 1...Rc1
- 2.Qd3#
- 1...Se5
- 2.Qxe5#
- 1...Kxd5!
- threat
- 1.Saxb4?
- Keys
- 1.Se3!
- threat
- 2.Sxf5#
- 2.Qc4#
- 1...Bxf2
- 2.Sxf5#
- 1...fxe3
- 2.fxe3#
- 1...f3
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 1...b1Q
- 2.Qc4#
- 1...b1B
- 2.Qc4#
- 1...Rc1
- 2.Sxf5#
- 1...Sh4
- 2.Qc4#
- 1...Se5
- 2.Sxf5#
- 1...e6
- 2.Qc4#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- S(l);N_GUARD::B(F)
- S(l);N_GUARD::B(F),XS(l)
- P(i);OGATEB::B(F)
- Tries
- Try
- S(A);XP(f)
- Threat
- DUALS(2)
- Vars
- P(i);OGATEB,XS(A)::B(F)
- P(i);OGATEB::B(F)
- P(d);::S(A)
- P(d);P_PINS(A)::QAR1(B)
- S(l);N_GUARD::B(F),XS(l)
- P(h);::QAR1(B)
- Refutation
- P(d);P_PINS(A)
- Try
- S(E);XP(f)
- Threat
- DUALS(2)
- Vars
- P(i);OGATEB,XS(E)::B(F)
- P(i);OGATEB::B(F)
- P(d);::S(E)
- P(d);P_PINS(E)::QAR1(B)
- P(h);::QAR1(B)
- S(l);N_GUARD::B(F),XS(l)
- Refutation
- P(d);P_PINS(E)
- Try
- S(E);XP(h)
- Threat
- DUALS(2)
- Vars
- S(l);N_GUARD,XS(E)::B(F)
- P(d);::S(E)
- Refutation
- P(k);XS(E)
- Try
- S(E);XP(m)
- Threat
- DUALS(2)
- Vars
- S(l);N_GUARD,XS(E)::B(F)
- P(i);OGATEB::B(F)
- P(d);::S(E)
- Refutation
- P(h);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(i);::QAR1(B),XP(i)
- P(d);::QAR1(B)
- R(b);::QAR1(B)
- S(l);N_GUARD::QAB1(B),XS(l)
- Refutation
- K(g);P-FLIGHT,XS(E)
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- B(c);XP(C)::S(E),XP(j)
- P(h);OGATE,XS(E)::P(C),XP(h)
- P(h);::QAR1(B)
- P(i);::QAR1(B),XP(i)
- P(d);::QAR1(B)
- R(b);::S(E),XP(j)
- S(l);::QAR1(B)
- S(l);::S(E),XP(j)
- P(m);::QAR1(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).