MESON Chess Problem Database
Problem Display
PID: 269759 (2R4B/3pK3/8/r2k4/3r4/3P4/2Qn4/3R4 w - - 0 1)
Chicco, Adriano
L'Italia Scacchistica, 1931
#2
6 + 5
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Qxd3#
- 1...Rc4
- 2.dxc4#
- 1...Re4+
- 2.dxe4#
- 1...Ra1
- 2.Rc5#
- 2.Qc5#
- 1...Ra2
- 2.Rc5#
- 2.Qc5#
- 1...Ra3
- 2.Rc5#
- 2.Qc5#
- 1...Ra4
- 2.Rc5#
- 2.Qc5#
- 1...Rc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Ra6
- 2.Rc5#
- 2.Qc5#
- 1...Ra7
- 2.Rc5#
- 2.Qc5#
- 1...Ra8
- 2.Rc5#
- 2.Qc5#
- 1...Sc4
- 2.dxc4#
- 1...Se4
- 2.dxe4#
- 1...d6
- 2.Qc6#
- 1...Rxd3
- Tries
- 1.Kxd7?
- threat
- 2.Qc6#
- 1...Rc4
- 2.dxc4#
- 1...Rc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Ra6
- 2.Rc5#
- 2.Qc5#
- 1...Sc4
- 2.dxc4#
- 1...Ra7+!
- threat
- 1.Qxd2?
- threat
- 2.Qxa5#
- 2.Qg5#
- 1...Rxd3
- 2.Qg2#
- 2.Qxd3#
- 1...Rda4
- 2.Qg5#
- 1...Rb4
- 2.Qg5#
- 1...Rc4
- 2.Qg5#
- 1...Rf4
- 2.Qxa5#
- 1...Rg4
- 2.Qxa5#
- 1...Ra1
- 2.Qg5#
- 1...Ra2
- 2.Qg5#
- 1...Ra3
- 2.Qg5#
- 1...Raa4
- 2.Qg5#
- 1...Rb5
- 2.Qg5#
- 1...Rc5
- 2.Qg5#
- 1...Ra6
- 2.Qg5#
- 1...Ra7
- 2.Qg5#
- 1...Ra8
- 2.Qg5#
- 1...Re4+!
- threat
- 1.Qc7?
- threat
- 2.Qxa5#
- 2.Qe5#
- 2.Qd6#
- 2.Qb7#
- 2.Qxd7#
- 1...Rxd3
- 2.Qe5#
- 2.Qb7#
- 1...Rda4
- 2.Qe5#
- 2.Qd6#
- 2.Qb7#
- 2.Qxd7#
- 1...Rb4
- 2.Qe5#
- 2.Qd6#
- 2.Qxd7#
- 1...Rc4
- 2.Qe5#
- 2.Qd6#
- 2.Qxd7#
- 1...Ra1
- 2.Qe5#
- 2.Qd6#
- 2.Qc5#
- 2.Qb7#
- 2.Qxd7#
- 1...Ra2
- 2.Qe5#
- 2.Qd6#
- 2.Qc5#
- 2.Qb7#
- 2.Qxd7#
- 1...Ra3
- 2.Qe5#
- 2.Qd6#
- 2.Qc5#
- 2.Qb7#
- 2.Qxd7#
- 1...Raa4
- 2.Qe5#
- 2.Qd6#
- 2.Qc5#
- 2.Qb7#
- 2.Qxd7#
- 1...Rb5
- 2.Qe5#
- 2.Qd6#
- 2.Qxd7#
- 1...Rc5
- 2.Qe5#
- 2.Qd6#
- 2.Qxc5#
- 2.Qxd7#
- 1...Ra6
- 2.Qe5#
- 2.Qc5#
- 1...Ra7
- 2.Qe5#
- 2.Qd6#
- 2.Qc5#
- 1...Ra8
- 2.Qe5#
- 2.Qd6#
- 2.Qc5#
- 2.Qb7#
- 2.Qxd7#
- 1...Sb3
- 2.Qe5#
- 2.Qd6#
- 2.Qb7#
- 2.Qxd7#
- 1...Sf3
- 2.Qxa5#
- 2.Qd6#
- 2.Qb7#
- 2.Qxd7#
- 1...Sc4
- 2.Qb7#
- 1...Se4
- 2.Qe5#
- 2.Qb7#
- 1...d6
- 2.Qxa5#
- 2.Qxd6#
- 2.Qc6#
- 2.Qb7#
- 1...Re4+!
- threat
- 1.Kxd7?
- Keys
- 1.Rc7!
- threat
- 2.Rxd7#
- 1...Re4+
- 2.dxe4#
- 1...Rxd3
- 2.Qxd3#
- 1...Rc4
- 2.dxc4#
- 1...Rc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Ra6
- 2.Rc5#
- 2.Qc5#
- 1...Ra7
- 2.Rc5#
- 2.Qc5#
- 1...Sc4
- 2.dxc4#
- 1...Se4
- 2.dxe4#
- 1...d6
- 2.Qc6#
- threat
- 1.Rc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);OGATE,XP(C)::QAR2(B),XR(b)
- R(b);OGATE::P(C),XR(b)
- R(b);CHECK,OGATE::P(C),XR(b)
- S(a);OGATE::P(C),XS(a)
- P(e);N_GUARD::QAB1(B)
- Tries
- Try
- K(D);P-FLIGHT,XP(e)
- Threat
- QAB1(B)
- Vars
- R(b);OGATE::P(C),XR(b)
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(c);CHECK
- Try
- Q(B);XS(a)
- Threat
- DUALS(2)
- Vars
- R(b);::QAR(B)
- R(b);::QAR(B),XR(c)
- R(c);::QAR(B)
- Refutation
- R(b);CHECK
- Try
- Q(B);
- Threat
- DUALS(5)
- Vars
- S(a);::QAB(B)
- Refutation
- R(b);CHECK
- Try
- Actual
- R(E);
- Threat
- R(E),XP(e)
- Vars
- R(b);CHECK,OGATE::P(C),XR(b)
- R(b);OGATE,XP(C)::QAR2(B),XR(b)
- R(b);OGATE::P(C),XR(b)
- S(a);OGATE::P(C),XS(a)
- P(e);N_GUARD::QAB1(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).