MESON Chess Problem Database
Problem Display
PID: 259658 (Q6K/B1Pp3B/7R/3Pk2N/bp5R/2q5/1N6/4r3 w - - 0 1)
Brogi, Giuseppe
Problemas, 1955
#2
10 + 6
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Sc4#
- 1...Qd4
- 2.Bxd4#
- 1...Qc1
- 2.Sd3#
- 2.Bd4#
- 1...Qc2
- 2.Bd4#
- 1...Qa3
- 2.Sc4#
- 2.Bd4#
- 1...Qb3
- 2.Bd4#
- 1...Qd3
- 2.Sxd3#
- 1...Qe3
- 2.Sc4#
- 1...Qf3
- 2.Sc4#
- 2.Bd4#
- 1...Qg3
- 2.Sc4#
- 2.Bd4#
- 1...Qh3
- 2.Sc4#
- 2.Bd4#
- 1...Qc4
- 2.Sxc4#
- 1...Qc5
- 2.Sd3#
- 1...Qxc7
- 2.Sd3#
- 2.Bd4#
- 1...Ra1
- 2.Re4#
- 1...Rb1
- 2.Re4#
- 1...Rc1
- 2.Re4#
- 1...Rd1
- 2.Re4#
- 1...Rf1
- 2.Re4#
- 1...Rg1
- 2.Re4#
- 1...Rh1
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...d6
- 2.Re6#
- 1...Qd2
- Tries
- 1.Bc5?
- threat
- 2.Bd6#
- 1...Qxc5
- 2.Sd3#
- 1...Re4
- 2.Rxe4#
- 1...d6
- 2.Bxd6#
- 2.Re6#
- 1...Bc6!
- threat
- 1.Rg4?
- threat
- 2.Rg5#
- 1...Qd2
- 2.Sc4#
- 1...Qc1
- 2.Sd3#
- 2.Bd4#
- 1...Qc2
- 2.Bd4#
- 1...Qd3
- 2.Sxd3#
- 1...Qe3
- 2.Sc4#
- 1...Qf3
- 2.Sc4#
- 2.Bd4#
- 1...Qg3
- 2.Sc4#
- 2.Bd4#
- 1...Qh3
- 2.Sc4#
- 2.Bd4#
- 1...Qc5
- 2.Sd3#
- 1...Rf1
- 2.Re4#
- 1...Rg1
- 2.Re4#
- 1...Bc2!
- threat
- 1.Qf8?
- threat
- 2.Qd6#
- 2.Qf5#
- 1...Qxc7
- 2.Qf5#
- 1...Qc2
- 2.Qd6#
- 1...Qd3
- 2.Qd6#
- 1...Qf3
- 2.Qd6#
- 1...Qh3
- 2.Qd6#
- 1...Qc5
- 2.Qf5#
- 1...Qc6
- 2.Qf5#
- 1...Rf1
- 2.Qd6#
- 1...Bc2
- 2.Qd6#
- 1...d6
- 2.Qxd6#
- 2.Qf5#
- 1...Kxd5+!
- threat
- 1.Qg8?
- threat
- 2.Qg5#
- 1...Qd2
- 2.Sc4#
- 1...Qc1
- 2.Sd3#
- 2.Bd4#
- 1...Qc2
- 2.Bd4#
- 1...Qd3
- 2.Sxd3#
- 1...Qe3
- 2.Sc4#
- 1...Qf3
- 2.Sc4#
- 2.Bd4#
- 1...Qg3
- 2.Sc4#
- 2.Bd4#
- 1...Qh3
- 2.Sc4#
- 2.Bd4#
- 1...Rf1
- 2.Re4#
- 1...Rg1
- 2.Re4#
- 1...Bc2!
- threat
- 1.Bc5?
- Keys
- 1.Sf4!
- threat
- 2.Qe8#
- 1...Qc5
- 2.Sfd3#
- 1...Qh3
- 2.Sc4#
- 1...Qc6
- 2.Sbd3#
- 1...d6
- 2.Re6#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 15
- Sets
- Q(b);N_GUARD::S(A)
- Q(b);N_GUARD::B(F),XQ(b)
- Q(b);N_GUARD::B(F)
- Q(b);N_GUARD::S(A),XQ(b)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::R1(B),XR(a)
- P(f);N_GUARD::R1(E)
- Tries
- Try
- B(F);
- Threat
- B(F)
- Vars
- Q(b);N_GUARD,XB(F)::S(A)
- R(a);N_GUARD::R1(B),XR(a)
- Refutation
- B(c);
- Try
- R(B);
- Threat
- R(B)
- Vars
- Q(b);N_GUARD::S(A)
- Q(b);N_GUARD::B(F)
- Q(b);N_GUARD::S(A),XQ(b)
- R(a);N_GUARD::R1(B)
- Refutation
- B(c);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(G)::QAR1(I)
- Q(b);::QAB1(I)
- Q(b);::QAR1(I)
- R(a);::QAB1(I)
- B(c);::QAB1(I)
- Refutation
- K(e);CHECK,P-FLIGHT,XP(C)
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- Q(b);N_GUARD::S(A)
- Q(b);N_GUARD::B(F)
- Q(b);N_GUARD::S(A),XQ(b)
- R(a);N_GUARD::R1(B)
- Refutation
- B(c);
- Try
- Actual
- S(D);
- Threat
- QAR(I)
- Vars
- Q(b);N_GUARD::S(D)
- Q(b);N_GUARD::S(A)
- P(f);N_GUARD::R1(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).