MESON Chess Problem Database
Problem Display
PID: 103509 (NR6/NbK5/8/p7/kq6/Bp6/1P6/Q7 w - - 0 1)
Ceriani, Luigi
Chess Amateur (The), 1928
#2
7 + 5
| 81 | Chess | 1957 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sb6#
- 1...Qd2
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qxa3
- 2.Qxa3#
- 1...Qc3+
- 2.Bc5#
- 1...Qc5+
- 2.Bxc5#
- 1...Qd6+
- 2.Bxd6#
- 1...Qe7+
- 2.Bxe7#
- 1...Qf8
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bxf8#
- 1...Qc4+
- 2.Bc5#
- 1...Qd4
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qe4
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qf4+
- 2.Bd6#
- 1...Qg4
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qh4
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qb5
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qb6+
- 2.Sxb6#
- 1...Bh1
- 2.Bxb4#
- 1...Bg2
- 2.Bxb4#
- 1...Bf3
- 2.Bxb4#
- 1...Be4
- 2.Bxb4#
- 1...Bd5
- 2.Bxb4#
- 1...Ba6
- 2.Bxb4#
- 1...Bc6
- 2.Bxb4#
- 1...Bxa8
- 2.Bxb4#
- 1...Bc8
- 2.Bxb4#
- 1...Qe1
- Tries
- 1.Rxb7?
- threat
- 2.Bxb4#
- 1...Qc3+
- 2.Bc5#
- 1...Qc5+
- 2.Bxc5#
- 1...Qd6+
- 2.Bxd6#
- 1...Qe7+
- 2.Bxe7#
- 1...Qc4+
- 2.Bc5#
- 1...Qf4+
- 2.Bd6#
- 1...Qb6+
- 2.Sxb6#
- 1...Qxa3
- 2.Qxa3#
- 1...Qe1
- 2.Sb6#
- 1...Qd2
- 2.Sb6#
- 2.Bb4#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qf8
- 2.Sb6#
- 2.Bb4#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bxf8#
- 1...Qd4
- 2.Bb4#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qe4
- 2.Sb6#
- 2.Bb4#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qg4
- 2.Sb6#
- 2.Bb4#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qh4
- 2.Sb6#
- 2.Bb4#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qb5
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qxb7+!
- threat
- 1.Rxb7?
- Keys
- 1.Kd8!
- 1...Qd2+
- 2.Bd6#
- 1...Qd6+
- 2.Bxd6#
- 1...Qe7+
- 2.Bxe7#
- 1...Qf8+
- 2.Bxf8#
- 1...Qd4+
- 2.Bd6#
- 1...Qh4+
- 2.Be7#
- 1...Qb6+
- 2.Sxb6#
- 1...Qxa3
- 2.Qxa3#
- 1...Bxa8
- 2.Bxb4#
- 1...Qe1
- 2.Sb6#
- 1...Qc3
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qc5
- 2.Bxc5#
- 1...Qc4
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qe4
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qf4
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qg4
- 2.Sb6#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qb5
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Bh1
- 2.Bxb4#
- 1...Bg2
- 2.Bxb4#
- 1...Bf3
- 2.Bxb4#
- 1...Be4
- 2.Bxb4#
- 1...Bd5
- 2.Bxb4#
- 1...Ba6
- 2.Bxb4#
- 1...Bc6
- 2.Bxb4#
- 1...Bc8
- 2.Bxb4#
- 1...Qd2+
- 1.Kd8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- Q(c);N_GUARD::S(F)
- Q(c);OGATE,P_SPINQ(c),XB(C)::QAR1(A),XQ(c)
- Q(c);CHECK,OGATE::QAR(A)+B(C)
- Q(c);CHECK,OGATE::QAR(A)+B(C),XQ(c)
- Q(c);CHECK,N_GUARD::S(F),XQ(c)
- B(e);::QAR(A)+B(C),XQ(c)
- B(e);XS(F)::QAR(A)+B(C),XQ(c)
- Tries
- Try
- R(G);XB(e)
- Threat
- QAR(A)+B(C),XQ(c)
- Vars
- Q(c);CHECK,OGATE::QAR(A)+B(C)
- Q(c);CHECK,OGATE::QAR(A)+B(C),XQ(c)
- Q(c);CHECK,N_GUARD::S(F),XQ(c)
- Q(c);OGATE,P_SPINQ(c),XB(C)::QAR1(A),XQ(c)
- Q(c);N_GUARD::S(F)
- Refutation
- Q(c);CHECK,XR(G)
- Try
- Actual
- K(E);S_FLIGHT
- Vars
- Q(c);CHECK,OGATE::QAR(A)+B(C)
- Q(c);CHECK,OGATE::QAR(A)+B(C),XQ(c)
- Q(c);CHECK,N_GUARD::S(F),XQ(c)
- Q(c);OGATE,P_SPINQ(c),XB(C)::QAR1(A),XQ(c)
- B(e);XS(F)::QAR(A)+B(C),XQ(c)
- Q(c);N_GUARD::S(F)
- Q(c);OGATE::QAR(A)+B(C),XQ(c)
- B(e);::QAR(A)+B(C),XQ(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).