MESON Chess Problem Database
Problem Display
PID: 244555 (8/2R5/1B1kp1nR/1P1p4/1b1Q4/8/8/6K1 w - - 0 1)
Buglos, Janos
Nepszava, 1940
#2
6 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sf4
- 2.Qxf4#
- 1...Sh4
- 2.Qf4#
- 1...Se5
- 2.Qxb4#
- 1...Se7
- 2.Qf4#
- 1...Sf8
- 2.Qf4#
- 1...Sh8
- 2.Qf4#
- 1...e5
- 2.Rxg6#
- 1...Sf4
- Tries
- 1.Rhh7?
- threat
- 2.Rc6#
- 2.Rcd7#
- 2.Rhd7#
- 1...e5
- 2.Rc6#
- 1...Se5
- 2.Qxb4#
- 1...Sf8
- 2.Rc6#
- 1...Se7!
- threat
- 1.Ra7?
- 1...e5
- 2.Rxg6#
- 1...Bd2
- 2.Bc5#
- 1...Be1
- 2.Bc5#
- 1...Bc3
- 2.Bc5#
- 1...Ba5
- 2.Bc5#
- 1...Bc5
- 2.Bxc5#
- 1...Sf4
- 2.Qxf4#
- 1...Sh4
- 2.Qf4#
- 1...Se5
- 2.Qxb4#
- 1...Se7
- 2.Qf4#
- 1...Sf8
- 2.Qf4#
- 1...Sh8
- 2.Qf4#
- 1...Ba3!
- 1...e5
- 1.Rb7?
- 1...e5
- 2.Rxg6#
- 1...Bd2
- 2.Bc5#
- 1...Be1
- 2.Bc5#
- 1...Bc3
- 2.Bc5#
- 1...Ba5
- 2.Bc5#
- 1...Bc5
- 2.Bxc5#
- 1...Sf4
- 2.Qxf4#
- 1...Sh4
- 2.Qf4#
- 1...Se5
- 2.Qxb4#
- 1...Se7
- 2.Qf4#
- 1...Sf8
- 2.Qf4#
- 1...Sh8
- 2.Qf4#
- 1...Ba3!
- 1...e5
- 1.Rf7?
- threat
- 2.Bc7#
- 1...e5
- 2.Rxg6#
- 1...Ba5
- 2.Bc5#
- 1...Se7!
- threat
- 1.Rg7?
- threat
- 2.Bc7#
- 1...e5
- 2.Rhxg6#
- 1...Ba5
- 2.Bc5#
- 1...Se7!
- threat
- 1.Rch7?
- threat
- 2.Bc7#
- 1...e5
- 2.Rxg6#
- 1...Ba5
- 2.Bc5#
- 1...Se7!
- threat
- 1.Qf4+?
- 1...Se5
- 2.Qxb4#
- 2.Qf8#
- 1...e5
- 2.Rxg6#
- 2.Qf6#
- 1...Sxf4!
- 1...Se5
- 1.Rhh7?
- Keys
- 1.Qg7!
- threat
- 2.Rc6#
- 2.Rd7#
- 1...Bc5+
- 2.Bxc5#
- 1...d4
- 2.Rd7#
- 2.Qxd4#
- 1...e5
- 2.Rxg6#
- 2.Rc6#
- 2.Qf6#
- 2.Qxg6#
- 2.Qd7#
- 2.Qe7#
- 1...Se5
- 2.Qf8#
- 2.Qe7#
- 1...Se7
- 2.Qg3#
- 1...Sf8
- 2.Rc6#
- 2.Qg3#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- S(e);N_GUARD,S_CUTP(d)::QAB(B),XS(e)
- S(e);N_GUARD,S_CUTP(d)::QAB(B)
- S(e);SBLOCK::QAB(B),XB(a)
- P(d);OGATEB,P_SPINS(e)::R(E),XS(e)
- Tries
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- P(d);::R1(F)
- S(e);SBLOCK::QAB(B),XB(a)
- S(e);::R1(F)
- Refutation
- S(e);
- Try
- R(F);
- Vars
- P(d);OGATEB,P_SPINS(e)::R(E),XS(e)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD,P_PINQ(B)::B(D),XB(a)
- S(e);N_GUARD,S_CUTP(d)::QAB(B),XS(e)
- S(e);N_GUARD,S_CUTP(d)::QAB(B)
- S(e);SBLOCK::QAB(B),XB(a)
- Refutation
- B(a);
- Try
- R(F);
- Vars
- P(d);OGATEB,P_SPINS(e)::R(E),XS(e)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD,P_PINQ(B)::B(D),XB(a)
- S(e);N_GUARD,S_CUTP(d)::QAB(B),XS(e)
- S(e);N_GUARD,S_CUTP(d)::QAB(B)
- S(e);SBLOCK::QAB(B),XB(a)
- Refutation
- B(a);
- Try
- R(F);
- Threat
- B(D)
- Vars
- P(d);OGATEB,P_SPINS(e)::R(E),XS(e)
- B(a);N_GUARD::B(D)
- Refutation
- S(e);
- Try
- R(F);
- Threat
- B(D)
- Vars
- P(d);OGATEB,P_SPINS(e)::R(E),XS(e)
- B(a);N_GUARD::B(D)
- Refutation
- S(e);
- Try
- R(F);
- Threat
- B(D)
- Vars
- P(d);OGATEB,P_SPINS(e)::R(E),XS(e)
- B(a);N_GUARD::B(D)
- Refutation
- S(e);
- Try
- Q(B);CHECK,N_PINP(b)
- Refutation
- S(e);P_SPINP(d),XQ(B)
- Try
- Actual
- Q(B);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,N_GUARD::B(D),XB(a)
- S(e);OGATE,P_SPINP(d)::QAB(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).