MESON Chess Problem Database
Problem Display
PID: 237488 (6b1/R7/4B1p1/2p3p1/1P2kPn1/4p1R1/2K1N3/Q1b5 w - - 0 1)
Labai, Zoltan
Schach, 2018
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qh1#
- 1...Bd2
- 2.Qh1#
- 1...Ba3
- 2.Qh1#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...cxb4
- 2.Qd4#
- 1...c4
- 2.Qd4#
- 1...Bb2
- Tries
- 1.Sc3+?
- 1...Kd4
- 2.Rd7#
- 1...Kxf4!
- 1...Kd4
- 1.Ra4?
- threat
- 2.bxc5#
- 1...cxb4
- 2.Rxb4#
- 2.Qd4#
- 1...Bb2
- 2.Qh1#
- 1...Bd2
- 2.Qh1#
- 1...Ba3
- 2.Qh1#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Bxe6!
- threat
- 1.Qc3?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Bxe6
- 2.Qd3#
- 1...Bb2
- 2.Qd3#
- 1...Sf2
- 2.Qe5#
- 2.Qc4#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 2.Qxc4#
- 1...gxf4!
- threat
- 1.Qf6?
- threat
- 2.Sc3#
- 2.Qxg6#
- 1...Bxe6
- 2.Sc3#
- 1...cxb4
- 2.Qd4#
- 2.Qxg6#
- 1...gxf4
- 2.Sc3#
- 2.Qxf4#
- 1...Bb2
- 2.Qxg6#
- 1...Bd2
- 2.Qxg6#
- 1...Bf7
- 2.Sc3#
- 1...Bh7
- 2.Sc3#
- 1...Se5
- 2.Qxe5#
- 1...Sh6
- 2.Sc3#
- 2.Qe5#
- 1...Sxf6!
- threat
- 1.Qh8?
- threat
- 2.Qh1#
- 1...gxf4
- 2.Sc3#
- 1...Bh7
- 2.Qa8#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sh6
- 2.Qe5#
- 1...Bxe6!
- threat
- 1.Qa2?
- threat
- 2.Qc4#
- 2.Qd5#
- 1...gxf4
- 2.Qd5#
- 1...Bb2
- 2.Qd5#
- 1...Se5
- 2.Qd5#
- 1...Sf6
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 1...Bxe6!
- threat
- 1.bxc5?
- threat
- 2.Ra4#
- 2.Qd4#
- 2.Qa4#
- 1...gxf4
- 2.Ra4#
- 2.Qd4#
- 1...Bb2
- 2.Qh1#
- 1...Bd2
- 2.Qd4#
- 2.Qh1#
- 1...Ba3
- 2.Qd4#
- 2.Qh1#
- 1...Se5
- 2.Qd4#
- 2.Qxe5#
- 1...Bxe6!
- threat
- 1.Sc3+?
- Keys
- 1.Rf7!
- threat
- 2.Qa8#
- 1...gxf4
- 2.Rxf4#
- 1...Ba3
- 2.Qh1#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qe5#
- threat
- 1.Rf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- B(a);OGATE::QAB(A)
- S(d);N_GUARD::QAR1(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- P(e);N_GUARD,XP(E)::QAR1(A)
- P(e);N_GUARD::QAR1(A)
- Tries
- Try
- S(C);CHECK
- Vars
- K(c);P-FLIGHT::R(H)
- Refutation
- K(c);P-FLIGHT,XP(F)
- Try
- R(H);
- Threat
- R(H)+P(E),XP(e)
- Vars
- B(a);OGATE::QAB(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- P(e);N_GUARD::QAR1(A)
- Refutation
- B(h);XB(G)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(h);XB(G)::QAB1(A)
- B(a);::QAB1(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- P(f);XP(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(h);XB(G)::S(C)
- B(a);::QAB(A),XP(g)
- B(h);::S(C)
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- S(d);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- P(f);SBLOCK,XP(F)::S(C)
- B(h);OGATE::QAB(A)
- S(d);N_GUARD::QAR1(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- B(h);XB(G)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(f);XP(F)::QAB1(A)
- B(a);::QAB1(A)
- S(d);::QAB1(A)
- S(d);::QAR2(A)
- P(e);::QAR2(A),XP(e)
- Refutation
- B(h);XB(G)
- Try
- P(E);XP(e)
- Threat
- DUALS(3)
- Vars
- B(a);OGATE::QAB(A)
- Refutation
- B(h);XB(G)
- Try
- Actual
- R(H);
- Threat
- QAB(A)
- Vars
- P(f);OGATE,XP(F)::R1(H),XP(f)
- B(a);OGATE::QAB(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- S(d);N_GUARD::QAR1(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).