MESON Chess Problem Database
Problem Display
PID: 208181 (3BRN2/8/7r/1br2p2/q4k2/PR3P1P/5P1K/Q3n1Nn w - - 0 1)
Ramsey, Robert Henry
Dubuque Chess Journal, 1875
#2
11 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxb3
- 2.Qd4#
- 1...Qxa3
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Qa5
- 2.Qd4#
- 1...Qa6
- 2.Qd4#
- 1...Qa7
- 2.Qd4#
- 1...Rc1
- 2.Qe5#
- 2.Qxc1#
- 1...Rc2
- 2.Qe5#
- 1...Rc4
- 2.Se2#
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Rcc6
- 2.Qe5#
- 1...Rc7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Rxh3+
- 2.Sxh3#
- 1...Rh4
- 2.Se6#
- 2.Sg6#
- 1...Rh5
- 2.Se6#
- 2.Sg6#
- 1...Re6
- 2.Sxe6#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Se6#
- 2.Sg6#
- 1...Rh8
- 2.Se6#
- 2.Sg6#
- 1...Be2
- 2.Sxe2#
- 1...Bc4
- 2.Qd4#
- 2.Qc1#
- 1...Bc6
- 2.Se2#
- 1...Bd7
- 2.Se2#
- 1...Bxe8
- 2.Se2#
- 1...Sxf3+
- 2.Rxf3#
- 1...Sg3
- 2.fxg3#
- 1...Qxb3
- Tries
- 1.Rb4+?
- 1...Rc4
- 2.Qe5#
- 2.Qc1#
- 1...Bc4
- 2.Qd4#
- 2.Qc1#
- 1...Qxb4!
- 1...Rc4
- 1.Qf6?
- threat
- 2.Se6#
- 2.Qg5#
- 2.Qxh6#
- 1...Rxh3+
- 2.Sxh3#
- 1...Sxf3+
- 2.Rxf3#
- 1...Qxb3
- 2.Re4#
- 2.Qd4#
- 2.Qg5#
- 2.Qxh6#
- 1...Bxe8
- 2.Se2#
- 2.Se6#
- 1...Qc4
- 2.Qg5#
- 2.Qxh6#
- 1...Qe4
- 2.Rxe4#
- 2.Qg5#
- 2.Qxh6#
- 1...Qa6
- 2.Re4#
- 2.Qd4#
- 2.Qg5#
- 1...Re5
- 2.Qxe5#
- 2.Qg5#
- 2.Qxh6#
- 1...Rc6
- 2.Qe5#
- 2.Qg5#
- 1...Rh4
- 2.Se6#
- 2.Sg6#
- 2.Qxh4#
- 2.Qg5#
- 1...Rh5
- 2.Se6#
- 2.Sg6#
- 1...Rg6
- 2.Se6#
- 2.Sxg6#
- 1...Rh7
- 2.Se6#
- 2.Sg6#
- 2.Qg5#
- 1...Rh8
- 2.Se6#
- 2.Sg6#
- 2.Qg5#
- 1...Bc4
- 2.Re4#
- 2.Qd4#
- 2.Qg5#
- 2.Qxh6#
- 1...Bd7
- 2.Se2#
- 2.Qg5#
- 2.Qxh6#
- 1...Rxf6!
- threat
- 1.Qg7?
- threat
- 2.Bg5#
- 2.Qxh6#
- 2.Qg5#
- 1...Rxh3+
- 2.Sxh3#
- 1...Sxf3+
- 2.Rxf3#
- 1...Bxe8
- 2.Se2#
- 2.Bg5#
- 1...Qa6
- 2.Bg5#
- 2.Qd4#
- 2.Qg5#
- 1...Rcc6
- 2.Bg5#
- 2.Qe5#
- 2.Qg5#
- 1...Rh4
- 2.Se6#
- 2.Sg6#
- 2.Bg5#
- 2.Qg5#
- 1...Rh5
- 2.Se6#
- 2.Sg6#
- 1...Ra6
- 2.Bg5#
- 2.Qg5#
- 1...Rb6
- 2.Bg5#
- 2.Qg5#
- 1...Rhc6
- 2.Bg5#
- 2.Qg5#
- 1...Rd6
- 2.Bg5#
- 2.Qg5#
- 1...Re6
- 2.Sxe6#
- 2.Bg5#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Se6#
- 2.Sg6#
- 2.Bg5#
- 2.Qg5#
- 1...Rh8
- 2.Se6#
- 2.Sg6#
- 2.Bg5#
- 2.Qg5#
- 1...Rf6!
- threat
- 1.Rb4+?
- Keys
- 1.Qh8!
- threat
- 2.Qxh6#
- 1...Rxh3+
- 2.Sxh3#
- 1...Sxf3+
- 2.Rxf3#
- 1...Rxh8
- 2.Sg6#
- 1...Bxe8
- 2.Se2#
- 1...Rf6
- 2.Qh4#
- 1...Qa6
- 2.Qd4#
- 1...Rcc6
- 2.Qe5#
- 1...Rh4
- 2.Se6#
- 2.Sg6#
- 2.Qxh4#
- 1...Rh5
- 2.Se6#
- 2.Sg6#
- 1...Ra6
- 2.Qh4#
- 1...Rb6
- 2.Qh4#
- 1...Rhc6
- 2.Qh4#
- 1...Rd6
- 2.Qh4#
- 1...Re6
- 2.Sxe6#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Se6#
- 2.Sg6#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 13
- Sets
- Q(c);N_GUARD,XR(F)::QAR2(A)
- Q(c);N_GUARD,XP(E)::QAR2(A)
- Q(c);N_GUARD::QAR2(A),XQ(c)
- Q(c);N_GUARD::QAR2(A)
- R(f);N_GUARD,N_PINP(H),P_PINP(C)::QAB1(A)
- R(f);N_GUARD::QAB1(A),XR(f)
- R(f);N_GUARD::QAB1(A)
- R(h);CHECK,XP(H)::S(B),XR(h)
- R(h);N_GUARD,N_PINP(H)::S(K),XR(h)
- B(e);N_GUARD::S(B),XB(e)
- B(e);N_GUARD::S(B)
- B(e);N_GUARD,XR(J)::S(B)
- S(a);CHECK,OGATE,XP(G)::R1(F),XS(a)
- S(b);OGATE::P(C),XS(b)
- Tries
- Try
- R(F);CHECK
- Refutation
- Q(c);XR(F)
- Try
- Q(A);P_PINP(g)
- Threat
- DUALS(3)
- Vars
- R(h);CHECK,XP(H)::S(B),XR(h)
- S(a);CHECK,OGATE,XP(G)::R1(F),XS(a)
- Refutation
- R(h);N_PINP(H),N_SPINP(g),XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(h);CHECK,XP(H)::S(B),XR(h)
- S(a);CHECK,OGATE,XP(G)::R1(F),XS(a)
- R(h);N_GUARD,N_PINP(H)::S(K),XR(h)
- Refutation
- R(h);N_PINP(H)
- Try
- Actual
- Q(A);
- Threat
- QAB(A),XR(h)
- Vars
- R(h);CHECK,XP(H)::S(B),XR(h)
- S(a);CHECK,OGATE,XP(G)::R1(F),XS(a)
- R(h);N_GUARD,XQ(A)::S(K)
- B(e);N_GUARD,XR(J)::S(B)
- R(h);N_PINP(H),OGATE::QAR2(A)
- Q(c);N_GUARD::QAR2(A)
- R(f);N_GUARD::QAB1(A)
- R(h);N_GUARD,N_PINP(H)::S(K),XR(h)
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).