MESON Chess Problem Database
Problem Display
PID: 213896 (2R5/1K1pp1NB/p2p3q/3kP2R/Qpp5/2PN1P2/1Bn5/r3r3 w - - 0 1)
Filatov, Viktor G
Sachova skladba, 1987
#2
11 + 11
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qf4
- 2.Sxf4#
- 1...Qxg7
- 2.Sf4#
- 1...Qe6
- 2.Sf4#
- 1...Qg6
- 2.Sf4#
- 1...Qxh7
- 2.Sf4#
- 1...Rab1
- 2.Qa5#
- 1...Rac1
- 2.Qa5#
- 1...Rad1
- 2.Qa5#
- 1...Reb1
- 2.Be4#
- 1...Rec1
- 2.Be4#
- 1...Red1
- 2.Be4#
- 1...Rf1
- 2.Be4#
- 1...Rg1
- 2.Be4#
- 1...Rh1
- 2.Be4#
- 1...Re4
- 2.Bxe4#
- 2.fxe4#
- 1...Rxe5
- 2.Be4#
- 1...Sa3
- 2.Sxb4#
- 1...Se3
- 2.Sxb4#
- 2.Be4#
- 1...Sd4
- 2.Sxb4#
- 1...bxc3
- 2.Qxc4#
- 1...b3
- 2.Qxc4#
- 1...cxd3
- 2.Qb3#
- 2.c4#
- 1...a5
- 2.Qb5#
- 1...Qf4
- Tries
- 1.Se8?
- threat
- 2.Sc7#
- 1...Ke6
- 2.Bg8#
- 1...bxc3
- 2.Qxc4#
- 1...cxd3
- 2.Qb3#
- 1...dxe5!
- threat
- 1.Bg8+?
- 1...Qe6
- 2.Sf4#
- 1...e6!
- 1...Qe6
- 1.Qb3?
- threat
- 2.Qxc4#
- 1...cxb3
- 2.c4#
- 1...Qf4
- 2.Sxf4#
- 1...Re4
- 2.Bxe4#
- 2.fxe4#
- 1...Sa3
- 2.Sxb4#
- 1...Se3
- 2.Sxb4#
- 2.Be4#
- 1...dxe5!
- threat
- 1.Qxd7?
- threat
- 2.Rc5#
- 2.Qc6#
- 1...Qxg7
- 2.Sf4#
- 2.Rc5#
- 1...cxd3
- 2.Qc6#
- 2.c4#
- 1...Qe3
- 2.Qc6#
- 2.Qe6#
- 1...Ra5
- 2.Qc6#
- 1...Sd4
- 2.Sxb4#
- 2.Rc5#
- 1...bxc3!
- threat
- 1.Qxa6?
- threat
- 2.Qxc4#
- 2.Qb5#
- 1...Qxg7
- 2.Sf4#
- 2.Qxc4#
- 1...bxc3
- 2.Qxc4#
- 1...cxd3
- 2.Qc4#
- 2.Qb5#
- 2.c4#
- 1...dxe5
- 2.Rc5#
- 1...Qe3
- 2.Qxc4#
- 1...Qf4
- 2.Sxf4#
- 2.Qb5#
- 1...Ra5
- 2.Qxc4#
- 2.Qxa5#
- 1...Re4
- 2.Bxe4#
- 2.Qb5#
- 2.fxe4#
- 1...Sa3
- 2.Sxb4#
- 1...Se3
- 2.Sxb4#
- 2.Be4#
- 2.Qb5#
- 1...Sd4
- 2.Sxb4#
- 2.Qxc4#
- 1...Rxa6!
- threat
- 1.Se8?
- Keys
- 1.Se6!
- threat
- 2.Sc7#
- 1...Kxe6
- 2.Bg8#
- 1...Qxe6
- 2.Sf4#
- 1...bxc3
- 2.Qxc4#
- 1...cxd3
- 2.Qb3#
- 1...dxe5
- 2.Qxd7#
- 1...dxe6
- 2.Qc6#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 18
- Sets
- Q(i);N_GUARD::S(C),XQ(i)
- Q(i);N_GUARD,XS(I)::S(C)
- Q(i);N_GUARD::S(C)
- Q(i);N_GUARD,XB(J)::S(C)
- R(a);N_GUARD::QAR(E)
- R(b);N_GUARD::B(J)
- R(b);N_GUARD,P_SPINR(b),XP(F)::B(J)
- S(c);N_GUARD::S(C),XP(d)
- P(d);OGATE,XP(B)::QAB1(E),XP(e)
- P(d);OGATE::QAB1(E),XP(e)
- P(g);N_GUARD::QAR2(E)
- Tries
- Try
- S(I);
- Threat
- S(I)
- Vars
- K(f);S_FLIGHT::B(J)
- P(d);OGATE,XP(B)::QAB1(E),XP(e)
- P(e);OGATEB,XS(C)::QAB(E)
- Refutation
- P(h);P_SPINP(h),XP(F)
- Try
- B(J);CHECK
- Vars
- Q(i);P_SPINQ(i)::S(C)
- Refutation
- P(k);P_SPINP(k)
- Try
- Q(E);P_PINP(e)
- Threat
- QAB1(E),XP(e)
- Vars
- P(e);N_SPINP(e),OGATE,XQ(E)::P(B)
- Q(i);N_GUARD::S(C),XQ(i)
- S(c);N_GUARD::S(C),XP(d)
- Refutation
- P(h);XP(F)
- Try
- Q(E);P_PINP(h),XP(j)
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(E)
- Refutation
- P(d);XP(B)
- Try
- Q(E);XP(g)
- Threat
- DUALS(2)
- Vars
- P(d);XP(B)::QAB1(E),XP(e)
- P(h);N_GUARD,P_SPINP(h),XP(F)::R1(K)
- Q(i);::QAB1(E),XP(e)
- S(c);N_GUARD::S(C),XP(d)
- Refutation
- R(a);XQ(E)
- Try
- Actual
- S(I);
- Threat
- S(I)
- Vars
- K(f);OGATEB,S_FLIGHT,XS(I)::B(J)
- Q(i);N_GUARD,XS(I)::S(C)
- P(d);OGATE,XP(B)::QAB1(E),XP(e)
- P(e);OGATEB,XS(C)::QAB(E)
- P(h);OGATEB,P_SPINP(h),XP(F)::QAR2(E),XP(j)
- P(j);N_GUARD,SBLOCK,XS(I)::QAB1(E)
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).