MESON Chess Problem Database
Problem Display
PID: 114950 (3k4/2RB2p1/2rPpbN1/n1N1B1p1/1P6/p1P4q/K4R2/3Q4 w - - 0 1)
Babson, Joseph Ney
Montreal Gazette, 1893
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sxe6#
- 1...Qg2
- 2.Sxe6#
- 1...Qh1
- 2.Sxe6#
- 1...Qh2
- 2.Sxe6#
- 1...Qxc3
- 2.Sxe6#
- 1...Qd3
- 2.Sxe6#
- 1...Qe3
- 2.Sxe6#
- 1...Qf3
- 2.Sxe6#
- 1...Qg3
- 2.Sxe6#
- 1...Qh4
- 2.Sxe6#
- 1...Qh5
- 2.Sxe6#
- 1...Qh6
- 2.Sxe6#
- 1...Qh7
- 2.Sxe6#
- 1...Qh8
- 2.Sxe6#
- 1...Ra6
- 2.Rc8#
- 1...Rb6
- 2.Rc8#
- 1...Rxd6
- 2.Rc8#
- 1...Rxc7
- 2.dxc7#
- 1...Bxe5
- 2.Rf8#
- 1...Be7
- 2.dxe7#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...g4
- 2.Sxe6#
- 1...Qf1
- Tries
- 1.Sh8?
- threat
- 2.Sf7#
- 1...Qxh8
- 2.Sxe6#
- 1...Qh5
- 2.Sxe6#
- 1...Rxd6!
- threat
- 1.Qh5?
- 1...Qxc3
- 2.Sxe6#
- 2.Qh8#
- 1...Qxh5
- 2.Sxe6#
- 1...Rxd6
- 2.Rc8#
- 1...Rxc7
- 2.dxc7#
- 1...Bxe5
- 2.Rf8#
- 1...Qg4
- 2.Qh8#
- 1...Qf1
- 2.Sxe6#
- 2.Qh8#
- 1...Qg2
- 2.Sxe6#
- 2.Qh8#
- 1...Qf5
- 2.Qh8#
- 1...Qh1
- 2.Sxe6#
- 1...Qh2
- 2.Sxe6#
- 1...Qd3
- 2.Sxe6#
- 2.Qh8#
- 1...Qe3
- 2.Sxe6#
- 2.Qh8#
- 1...Qf3
- 2.Sxe6#
- 2.Qh8#
- 1...Qg3
- 2.Sxe6#
- 2.Qh8#
- 1...Qh4
- 2.Sxe6#
- 1...Ra6
- 2.Rc8#
- 1...Rb6
- 2.Rc8#
- 1...Be7
- 2.dxe7#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...g4
- 2.Sxe6#
- 1...Rxc5!
- 1...Qxc3
- 1.bxa5?
- threat
- 2.Sb7#
- 1...Rxd6
- 2.Rc8#
- 1...Rxc7
- 2.dxc7#
- 1...Rb6
- 2.Rc8#
- 1...Rxc5!
- threat
- 1.Sh8?
- Keys
- 1.Qh1!
- 1...Qxh1
- 2.Sxe6#
- 1...Qxc3
- 2.Sxe6#
- 2.Qh8#
- 1...Rxc5
- 2.Qa8#
- 1...Rxd6
- 2.Rc8#
- 1...Rxc7
- 2.dxc7#
- 1...Bxe5
- 2.Rf8#
- 1...Qg4
- 2.Qh8#
- 1...Qf1
- 2.Sxe6#
- 2.Qh8#
- 1...Qg2
- 2.Sxe6#
- 2.Qh8#
- 1...Qf5
- 2.Qh8#
- 1...Qh2
- 2.Sxe6#
- 1...Qd3
- 2.Sxe6#
- 2.Qh8#
- 1...Qe3
- 2.Sxe6#
- 2.Qh8#
- 1...Qf3
- 2.Sxe6#
- 2.Qh8#
- 1...Qg3
- 2.Sxe6#
- 2.Qh8#
- 1...Qh4
- 2.Sxe6#
- 1...Qh5
- 2.Sxe6#
- 1...Qh6
- 2.Sxe6#
- 1...Qh7
- 2.Sxe6#
- 1...Qh8
- 2.Sxe6#
- 2.Qxh8#
- 1...Ra6
- 2.Rc8#
- 1...Rb6
- 2.Rc8#
- 1...Be7
- 2.dxe7#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...g4
- 2.Sxe6#
- 1...Qxh1
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(b);N_GUARD::S(F),XP(f)
- Q(b);N_GUARD,P_PINR(C)::S(F),XP(f)
- Q(b);N_GUARD,XP(D)::S(F),XP(f)
- R(e);N_GUARD::R1(J)
- R(e);N_GUARD,XP(H)::R1(J)
- R(e);OGATE,XR(J)::P(H),XR(e)
- B(g);OGATE,XB(G)::R(C)
- B(g);OGATE::P(H),XB(g)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- P(d);S_CUTQ(b)::S(F),XP(f)
- Tries
- Try
- S(I);
- Threat
- S(I)
- Vars
- Q(b);N_GUARD,XS(I)::S(F),XP(f)
- Q(b);N_GUARD::S(F),XP(f)
- Refutation
- R(e);XP(H)
- Try
- Q(A);
- Vars
- Q(b);N_GUARD,XQ(A)::S(F),XP(f)
- R(e);N_GUARD,XP(H)::R1(J)
- R(e);OGATE,XR(J)::P(H),XR(e)
- B(g);OGATE,XB(G)::R(C)
- Q(b);N_GUARD::QAR(A)
- Q(b);N_GUARD::S(F),XP(f)
- Q(b);N_GUARD,P_PINR(C)::S(F),XP(f)
- R(e);N_GUARD::R1(J)
- B(g);OGATE::P(H),XB(g)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- P(d);S_CUTQ(b)::S(F),XP(f)
- Refutation
- R(e);XS(F)
- Try
- P(E);XS(c)
- Threat
- S(F)
- Vars
- R(e);N_GUARD,XP(H)::R1(J)
- R(e);OGATE,XR(J)::P(H),XR(e)
- R(e);N_GUARD::R1(J)
- Refutation
- R(e);XS(F)
- Try
- Actual
- Q(A);
- Vars
- Q(b);N_GUARD,XQ(A)::S(F),XP(f)
- R(e);OGATE,XS(F)::QAR(A)
- R(e);N_GUARD,XP(H)::R1(J)
- R(e);OGATE,XR(J)::P(H),XR(e)
- B(g);OGATE,XB(G)::R(C)
- Q(b);OGATE::QAR(A)
- Q(b);N_GUARD,P_PINR(C)::S(F),XP(f)
- Q(b);N_GUARD::S(F),XP(f)
- R(e);N_GUARD::R1(J)
- B(g);OGATE::P(H),XB(g)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- P(d);S_CUTQ(b)::S(F),XP(f)
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).