MESON Chess Problem Database
Problem Display
PID: 218586 (2R5/6N1/3p2p1/2bk1pP1/4b2R/3p3Q/2NK4/B7 w - - 0 1)
Robertson, George T
Cincinnati Commercial, 1882
#2
8 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Qxd3#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Bg1
- 2.Sb4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Be3+
- 2.Sxe3#
- 1...Bb4+
- 2.Sxb4#
- 1...Bb6
- 2.Sb4#
- 1...Ba7
- 2.Sb4#
- 1...dxc2
- 2.Qb3#
- 1...f4
- 2.Qe6#
- 1...Kc4
- Tries
- 1.Bb2?
- 1...Be3+
- 2.Sxe3#
- 1...Bb4+
- 2.Sxb4#
- 1...Kc4
- 2.Qxd3#
- 1...dxc2
- 2.Qb3#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Bg1
- 2.Sb4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Bb6
- 2.Sb4#
- 1...Ba7
- 2.Sb4#
- 1...f4
- 2.Qe6#
- 1...Bd4!
- 1...Be3+
- 1.Rf4?
- 1...Be3+
- 2.Sxe3#
- 1...Bb4+
- 2.Sxb4#
- 1...Kc4
- 2.Qxd3#
- 1...dxc2
- 2.Qb3#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Bg1
- 2.Sb4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Bb6
- 2.Sb4#
- 1...Ba7
- 2.Sb4#
- 1...Bd4!
- 1...Be3+
- 1.Rc7?
- 1...Be3+
- 2.Sxe3#
- 1...Bb4+
- 2.Sxb4#
- 1...Kc4
- 2.Qxd3#
- 1...dxc2
- 2.Qb3#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Bg1
- 2.Sb4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Bb6
- 2.Sb4#
- 1...Ba7
- 2.Sb4#
- 1...f4
- 2.Qe6#
- 1...Bd4!
- 1...Be3+
- 1.Qxd3+?
- 1...Bd4
- 2.Qxd4#
- 1...Bxd3!
- 1...Bd4
- 1.Qe3?
- 1...Bxe3+
- 2.Sxe3#
- 1...Bb4+
- 2.Sxb4#
- 1...Kc4
- 2.Qxd3#
- 1...dxc2
- 2.Qb3#
- 1...Bd4
- 2.Qxd4#
- 1...Bh1
- 2.Qe6#
- 1...Bg2
- 2.Qe6#
- 1...Bf3
- 2.Qxf3#
- 2.Qe6#
- 1...Ba3
- 2.Qd4#
- 1...Bb6
- 2.Sb4#
- 1...Ba7
- 2.Sb4#
- 1...f4!
- 1...Bxe3+
- 1.Bb2?
- Keys
- 1.Bf6!
- 1...Be3+
- 2.Sxe3#
- 1...Bb4+
- 2.Sxb4#
- 1...Kc4
- 2.Qxd3#
- 1...dxc2
- 2.Qb3#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Bg1
- 2.Sb4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Bd4
- 2.Sb4#
- 1...Bb6
- 2.Sb4#
- 1...Ba7
- 2.Sb4#
- 1...f4
- 2.Qe6#
- 1...Be3+
- 1.Bf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);P_SPINB(b),S_FLIGHT::QAB1(D),XP(a)
- B(b);OGATEB::QAB(D),XB(b)
- B(c);N_GUARD::S(B)
- B(c);CHECK,N_GUARD::S(B),XB(c)
- P(a);OGATE,XS(B)::QAB(D)
- P(e);OGATE::QAB1(D)
- Tries
- Try
- B(A);
- Vars
- B(c);CHECK,N_GUARD::S(B),XB(c)
- K(d);P_SPINB(b),S_FLIGHT::QAB1(D),XP(a)
- P(a);OGATE,XS(B)::QAB(D)
- B(b);OGATEB::QAB(D),XB(b)
- B(c);N_GUARD::S(B)
- P(e);OGATE::QAB1(D)
- Refutation
- B(c);
- Try
- R(E);
- Vars
- B(c);CHECK,N_GUARD::S(B),XB(c)
- K(d);P_SPINB(b),S_FLIGHT::QAB1(D),XP(a)
- P(a);OGATE,XS(B)::QAB(D)
- B(b);OGATEB::QAB(D),XB(b)
- B(c);N_GUARD::S(B)
- Refutation
- B(c);
- Try
- R(H);
- Vars
- B(c);CHECK,N_GUARD::S(B),XB(c)
- K(d);P_SPINB(b),S_FLIGHT::QAB1(D),XP(a)
- P(a);OGATE,XS(B)::QAB(D)
- B(b);OGATEB::QAB(D),XB(b)
- B(c);N_GUARD::S(B)
- P(e);OGATE::QAB1(D)
- Refutation
- B(c);
- Try
- Q(D);CHECK,XP(a)
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAR1(D),XB(c)
- Refutation
- B(b);XQ(D)
- Try
- Q(D);
- Vars
- B(c);CHECK,XQ(D)::S(B),XB(c)
- B(c);CHECK,N_GUARD::S(B),XB(c)
- K(d);P_SPINB(b),S_FLIGHT::QAB1(D),XP(a)
- P(a);OGATE,XS(B)::QAB(D)
- B(c);N_GUARD::QAR1(D),XB(c)
- B(b);OGATE::QAB1(D)
- B(c);N_GUARD::QAR1(D)
- B(c);N_GUARD::S(B)
- Refutation
- P(e);
- Try
- Actual
- B(A);
- Vars
- B(c);CHECK,N_GUARD::S(B),XB(c)
- K(d);P_SPINB(b),S_FLIGHT::QAB1(D),XP(a)
- P(a);OGATE,XS(B)::QAB(D)
- B(b);OGATEB::QAB(D),XB(b)
- B(c);N_GUARD::S(B)
- P(e);OGATE::QAB1(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).