MESON Chess Problem Database
Problem Display
PID: 107967 (7B/8/8/R3n3/2n1k3/7K/5Q2/4N3 w - - 0 1)
Vecu, Florea
di Sarno, Giuseppe
Torre & Cavallo - Scacco!, 2000
#2
5 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Rxe5#
- 1...Sd2
- 2.Rxe5#
- 1...Sa3
- 2.Rxe5#
- 1...Sb6
- 2.Rxe5#
- 1...Sd6
- 2.Rxe5#
- 1...Sd3
- 2.Qd4#
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qd4#
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Sg6
- 2.Qd4#
- 2.Qf3#
- 1...Sd7
- 2.Qd4#
- 2.Qf3#
- 1...Sf7
- 2.Qd4#
- 2.Qf3#
- 1...Sb2
- Tries
- 1.Kg3?
- threat
- 2.Qf4#
- 1...Sd3
- 2.Qd4#
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg6
- 2.Qd4#
- 2.Qf3#
- 1...Sxa5!
- threat
- 1.Ra4?
- 1...Sf3
- 2.Qxf3#
- 1...Sd3
- 2.Qf3#
- 1...Sg4
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Sg6
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sf7
- 2.Qf3#
- 1...Kd5!
- 1...Sf3
- 1.Rb5?
- 1...Sf3
- 2.Qxf3#
- 1...Sb2
- 2.Rxe5#
- 1...Sd2
- 2.Rxe5#
- 1...Sa3
- 2.Rxe5#
- 1...Sa5
- 2.Rxe5#
- 1...Sb6
- 2.Rxe5#
- 1...Sd6
- 2.Rxe5#
- 1...Sd3
- 2.Qd4#
- 2.Qf3#
- 1...Sg4
- 2.Qd4#
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Sg6
- 2.Qd4#
- 2.Qf3#
- 1...Sd7
- 2.Qd4#
- 2.Qf3#
- 1...Sf7
- 2.Qd4#
- 2.Qf3#
- 1...Se3!
- 1...Sf3
- 1.Rc5?
- 1...Sf3
- 2.Qxf3#
- 1...Sb2
- 2.Rxe5#
- 1...Sd2
- 2.Rxe5#
- 1...Sa3
- 2.Rxe5#
- 1...Sa5
- 2.Rxe5#
- 1...Sb6
- 2.Rxe5#
- 1...Sd6
- 2.Rxe5#
- 1...Sd3
- 2.Qd4#
- 2.Qf3#
- 1...Sg4
- 2.Qd4#
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Sg6
- 2.Qd4#
- 2.Qf3#
- 1...Sd7
- 2.Qd4#
- 2.Qf3#
- 1...Sf7
- 2.Qd4#
- 2.Qf3#
- 1...Se3!
- 1...Sf3
- 1.Qd4+?
- 1...Kf5
- 2.Qg4#
- 1...Kxd4!
- 1...Kf5
- 1.Qf3+?
- 1...Kd4
- 2.Sc2#
- 2.Rd5#
- 2.Qd3#
- 1...Sxf3!
- 1...Kd4
- 1.Kg3?
- Keys
- 1.Qg3!
- 1...Kd4
- 2.Qd3#
- 1...Kf5
- 2.Qg4#
- 1...Sxa5
- 2.Qxe5#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Sd3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Sg6
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sf7
- 2.Qf3#
- 1...Kd4
- 1.Qg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 5
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::QAB1(B),XS(c)
- S(c);N_GUARD::QAB1(B)
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- QAR1(B)
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- Refutation
- S(a);XR(D)
- Try
- R(D);P_PINS(a)
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- S(c);N_GUARD::QAB1(B)
- Refutation
- K(b);N_SPINS(a),S_FLIGHT
- Try
- R(D);
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- S(a);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::QAB1(B)
- Refutation
- S(a);
- Try
- R(D);
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- S(a);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::QAB1(B)
- Refutation
- S(a);
- Try
- Q(B);CHECK
- Vars
- K(b);OGATE,P_SPINS(c),S_FLIGHT::QAB1(B)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XQ(B)
- Try
- Q(B);CHECK
- Refutation
- S(c);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- K(b);P-FLIGHT,P_SPINS(c)::QAR1(B)
- K(b);P_SPINS(c),S_FLIGHT::QAB1(B)
- S(a);N_GUARD,XR(D)::QAR1(B),XS(c)
- S(a);N_GUARD::QAR1(B),XS(c)
- S(a);N_GUARD,SBLOCK::QAR1(B),XS(c)
- S(c);N_GUARD::QAB1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
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).