MESON Chess Problem Database
Problem Display
PID: 264877 (3q4/3p4/7Q/r2Bk1B1/3n1N1N/2p2P2/8/2bR3K w - - 0 1)
Brogi, Giuseppe
L'Italia Scacchistica, 1948
#2
8 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Qxf6#
- 1...Qc7
- 2.Qf6#
- 1...Qa8
- 2.Qf6#
- 1...Qb8
- 2.Qf6#
- 1...Qc8
- 2.Qf6#
- 1...Qe8
- 2.Qf6#
- 1...Qg8
- 2.Qf6#
- 1...Rxd5
- 2.Sd3#
- 1...Qf6
- Tries
- 1.Shg6+?
- 1...Kf5
- 2.Be4#
- 1...Kd6!
- 1...Kf5
- 1.Bb3?
- threat
- 2.Sd3#
- 1...Bxf4
- 2.Bxf4#
- 1...Sxb3
- 2.Qd6#
- 1...Qf6
- 2.Qxf6#
- 1...Sc2
- 2.Sfg6#
- 2.Qd6#
- 1...Se2
- 2.Sfg6#
- 2.Qd6#
- 1...Sb5
- 2.Sfg6#
- 2.Rd5#
- 1...Sf5
- 2.Sfg6#
- 2.Shg6#
- 1...Sc6
- 2.Sfg6#
- 2.Qd6#
- 1...Se6
- 2.Sfg6#
- 1...Sxf3!
- threat
- 1.Bc4?
- threat
- 2.Sd3#
- 1...Bxf4
- 2.Bxf4#
- 1...Qf6
- 2.Qxf6#
- 1...Sc2
- 2.Sfg6#
- 2.Qd6#
- 1...Se2
- 2.Sfg6#
- 2.Qd6#
- 1...Sb3
- 2.Sfg6#
- 2.Qd6#
- 1...Sb5
- 2.Sfg6#
- 2.Rd5#
- 1...Sf5
- 2.Sfg6#
- 2.Shg6#
- 1...Sc6
- 2.Sfg6#
- 2.Qd6#
- 1...Se6
- 2.Sfg6#
- 1...Sxf3!
- threat
- 1.Be4?
- threat
- 2.Sd3#
- 1...Bxf4
- 2.Bxf4#
- 1...Qf6
- 2.Qxf6#
- 1...Sc2
- 2.Shg6#
- 2.Qd6#
- 1...Se2
- 2.Shg6#
- 2.Qd6#
- 1...Sb3
- 2.Shg6#
- 2.Qd6#
- 1...Sb5
- 2.Shg6#
- 2.Rd5#
- 1...Sf5
- 2.Shg6#
- 1...Sc6
- 2.Shg6#
- 2.Qd6#
- 1...Se6
- 2.Sfg6#
- 2.Shg6#
- 1...Sxf3!
- threat
- 1.Bc6?
- threat
- 2.Sd3#
- 1...Bxf4
- 2.Bxf4#
- 1...Sxf3
- 2.Qd6#
- 1...Sxc6
- 2.Qd6#
- 1...Qf6
- 2.Qxf6#
- 1...Sc2
- 2.Qd6#
- 1...Se2
- 2.Qd6#
- 1...Sb3
- 2.Qd6#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Shg6#
- 1...Se6
- 2.Sfg6#
- 1...dxc6!
- threat
- 1.Bf7?
- threat
- 2.Sd3#
- 1...Bxf4
- 2.Bxf4#
- 1...Qf6
- 2.Qxf6#
- 1...Sc2
- 2.Sfg6#
- 2.Qd6#
- 1...Se2
- 2.Sfg6#
- 2.Qd6#
- 1...Sb3
- 2.Sfg6#
- 2.Qd6#
- 1...Sb5
- 2.Sfg6#
- 2.Rd5#
- 1...Sf5
- 2.Sfg6#
- 2.Shg6#
- 1...Sc6
- 2.Sfg6#
- 2.Qd6#
- 1...Se6
- 2.Sfg6#
- 1...Sxf3!
- threat
- 1.Ba8?
- threat
- 2.Sd3#
- 1...Qxa8
- 2.Qf6#
- 1...Bxf4
- 2.Bxf4#
- 1...Sxf3
- 2.Qd6#
- 1...Qf6
- 2.Qxf6#
- 1...Sc2
- 2.Qd6#
- 1...Se2
- 2.Qd6#
- 1...Sb3
- 2.Qd6#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Shg6#
- 1...Sc6
- 2.Qd6#
- 1...Se6
- 2.Sfg6#
- 1...Rxa8!
- threat
- 1.Bg8?
- threat
- 2.Sd3#
- 1...Qxg8
- 2.Qf6#
- 1...Bxf4
- 2.Bxf4#
- 1...Qf6
- 2.Qxf6#
- 1...Sc2
- 2.Sfg6#
- 2.Qd6#
- 1...Se2
- 2.Sfg6#
- 2.Qd6#
- 1...Sb3
- 2.Sfg6#
- 2.Qd6#
- 1...Sb5
- 2.Sfg6#
- 2.Rd5#
- 1...Sf5
- 2.Sfg6#
- 2.Shg6#
- 1...Sc6
- 2.Sfg6#
- 2.Qd6#
- 1...Se6
- 2.Sfg6#
- 1...Sxf3!
- threat
- 1.Re1+?
- 1...Be3
- 2.Rxe3#
- 1...Se2!
- 1...Be3
- 1.Qg7+?
- 1...Qf6
- 2.Qxf6#
- 1...Kd6!
- 1...Qf6
- 1.Shg6+?
- Keys
- 1.Bb7!
- threat
- 2.Sd3#
- 1...Bxf4
- 2.Bxf4#
- 1...Sxf3
- 2.Qd6#
- 1...Qf6
- 2.Qxf6#
- 1...Sc2
- 2.Qd6#
- 1...Se2
- 2.Qd6#
- 1...Sb3
- 2.Qd6#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Shg6#
- 1...Sc6
- 2.Qd6#
- 1...Se6
- 2.Sfg6#
- threat
- 1.Bb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 7
- Sets
- Q(g);N_GUARD::QAB1(H),XQ(g)
- Q(g);N_GUARD::QAB1(H)
- R(d);SBLOCK,XB(F)::S(D)
- Tries
- Try
- S(E);CHECK
- Vars
- K(e);N_GUARD,P-FLIGHT::B(F)
- Refutation
- K(e);S_FLIGHT
- Try
- B(F);
- Threat
- S(D)
- Vars
- B(a);OGATE,XS(D)::B(G),XB(a)
- S(c);XB(F)::QAB1(H)
- Q(g);N_GUARD::QAB1(H),XQ(g)
- S(c);::S(D)
- Refutation
- S(c);XP(C)
- Try
- B(F);
- Threat
- S(D)
- Vars
- B(a);OGATE,XS(D)::B(G),XB(a)
- Q(g);N_GUARD::QAB1(H),XQ(g)
- S(c);::S(D)
- Refutation
- S(c);XP(C)
- Try
- B(F);
- Threat
- S(D)
- Vars
- B(a);OGATE,XS(D)::B(G),XB(a)
- Q(g);N_GUARD::QAB1(H),XQ(g)
- S(c);::S(E)
- Refutation
- S(c);XP(C)
- Try
- B(F);
- Threat
- S(D)
- Vars
- B(a);OGATE,XS(D)::B(G),XB(a)
- S(c);XP(C)::QAB1(H)
- S(c);XB(F)::QAB1(H)
- Q(g);N_GUARD::QAB1(H),XQ(g)
- S(c);::QAB1(H)
- S(c);OGATE::R1(A)
- S(c);SBLOCK::S(E)
- S(c);SBLOCK::S(D)
- Refutation
- P(f);XB(F)
- Try
- B(F);
- Threat
- S(D)
- Vars
- B(a);OGATE,XS(D)::B(G),XB(a)
- Q(g);N_GUARD::QAB1(H),XQ(g)
- S(c);::S(D)
- Refutation
- S(c);XP(C)
- Try
- B(F);
- Threat
- S(D)
- Vars
- Q(g);N_GUARD,P_PINP(C),XB(F)::QAB1(H)
- B(a);OGATE,XS(D)::B(G),XB(a)
- S(c);XP(C)::QAB1(H)
- Q(g);N_GUARD::QAB1(H),XQ(g)
- S(c);::QAB1(H)
- S(c);OGATE::R1(A)
- S(c);SBLOCK::S(E)
- S(c);SBLOCK::S(D)
- Refutation
- R(d);XB(F)
- Try
- B(F);
- Threat
- S(D)
- Vars
- Q(g);N_GUARD,XB(F)::QAB1(H)
- B(a);OGATE,XS(D)::B(G),XB(a)
- Q(g);N_GUARD::QAB1(H),XQ(g)
- S(c);::S(D)
- Refutation
- S(c);XP(C)
- Try
- R(A);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::R(A),XB(a)
- Refutation
- S(c);P_SPINS(c)
- Try
- Q(H);CHECK
- Vars
- Q(g);N_GUARD,P_SPINQ(g)::QAB1(H),XQ(g)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- B(F);
- Threat
- S(D)
- Vars
- B(a);OGATE,XS(D)::B(G),XB(a)
- S(c);XP(C)::QAB1(H)
- Q(g);N_GUARD::QAB1(H),XQ(g)
- S(c);::QAB1(H)
- S(c);OGATE::R1(A)
- S(c);SBLOCK::S(E)
- S(c);SBLOCK::S(D)
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).