MESON Chess Problem Database
Problem Display
PID: 55923 (5r2/q2QB3/5bn1/3p2pp/2NPk3/1R3R1N/r1P1pP2/1B2n2K w - - 0 1)
Janet, Frank
1st HM., Brisbane Courier, 1913
#2
11 + 11
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Qf5#
- 1...Bxd4
- 2.Sxg5#
- 1...dxc4
- 2.Rbe3#
- 2.Rfe3#
- 1...Qxd4
- Tries
- 1.Bc5?
- threat
- 2.Sd2#
- 2.Sd6#
- 2.Rbe3#
- 2.Rfe3#
- 2.Qf5#
- 1...Qxd7
- 2.Sd2#
- 2.Rbe3#
- 1...Bxd4
- 2.Sxg5#
- 1...Sxf3
- 2.Sd6#
- 2.Re3#
- 1...dxc4
- 2.Rbe3#
- 2.Rfe3#
- 2.Qf5#
- 2.Qc6#
- 1...Sd3
- 2.Sd2#
- 2.Re3#
- 2.Qf5#
- 1...Qb6
- 2.Sd2#
- 2.Rbe3#
- 2.Rfe3#
- 2.Qf5#
- 1...Qb8
- 2.Sd2#
- 2.Rbe3#
- 2.Rfe3#
- 2.Qf5#
- 1...Qa3
- 2.Sd2#
- 2.Sd6#
- 2.Rfe3#
- 2.Qf5#
- 1...Qa5
- 2.Sd6#
- 2.Rbe3#
- 2.Rfe3#
- 2.Qf5#
- 1...Qa6
- 2.Sd2#
- 2.Rbe3#
- 2.Rfe3#
- 2.Qf5#
- 1...Qc7
- 2.Sd2#
- 2.Rbe3#
- 2.Rfe3#
- 2.Qf5#
- 1...Ra3
- 2.Sd2#
- 2.Sd6#
- 2.Rfe3#
- 2.Qf5#
- 1...Ra6
- 2.Sd2#
- 2.Rbe3#
- 2.Rfe3#
- 2.Qf5#
- 1...Be5
- 2.Sxg5#
- 2.Sd2#
- 2.Rbe3#
- 2.Rfe3#
- 1...Be7
- 2.Sd2#
- 2.Rbe3#
- 2.Rfe3#
- 1...Bg7
- 2.Sxg5#
- 2.Sd2#
- 2.Sd6#
- 2.Rbe3#
- 2.Rfe3#
- 1...Bd8
- 2.Sd2#
- 2.Sd6#
- 2.Rbe3#
- 2.Rfe3#
- 1...Bh8
- 2.Sxg5#
- 2.Sd2#
- 2.Sd6#
- 2.Rbe3#
- 2.Rfe3#
- 1...Sg2
- 2.Sd2#
- 2.Sd6#
- 2.Qf5#
- 1...Sf4
- 2.Sd2#
- 2.Sd6#
- 2.Rbe3#
- 2.Rfe3#
- 1...Sh4
- 2.Sd2#
- 2.Sd6#
- 2.Rbe3#
- 2.Rfe3#
- 1...Se7
- 2.Sd2#
- 2.Sd6#
- 2.Rbe3#
- 2.Rfe3#
- 1...Qxc5!
- threat
- 1.Rbd3?
- threat
- 2.Sd2#
- 2.Sd6#
- 2.Rfe3#
- 2.Qf5#
- 1...Qxd4
- 2.Qf5#
- 1...Qxd7
- 2.Sd2#
- 1...Rxc2
- 2.Sd6#
- 2.Rfe3#
- 2.Qf5#
- 1...Bxd4
- 2.Sxg5#
- 1...Bxe7
- 2.Sd2#
- 2.Rfe3#
- 1...Sxc2
- 2.Sd2#
- 2.Sd6#
- 2.Qf5#
- 1...Sxf3
- 2.Sd6#
- 1...Sxe7
- 2.Sd2#
- 2.Sd6#
- 2.Rfe3#
- 1...dxc4
- 2.Rde3#
- 2.Rfe3#
- 2.Qf5#
- 2.Qc6#
- 1...Qc5
- 2.Sd2#
- 2.Rfe3#
- 2.Qf5#
- 1...Qb6
- 2.Sd2#
- 2.Rfe3#
- 2.Qf5#
- 1...Qb8
- 2.Sd2#
- 2.Rfe3#
- 2.Qf5#
- 1...Qa3
- 2.Sd2#
- 2.Rfe3#
- 2.Qf5#
- 1...Qa5
- 2.Sd6#
- 2.Rfe3#
- 2.Qf5#
- 1...Qa6
- 2.Sd2#
- 2.Rfe3#
- 2.Qf5#
- 1...Qc7
- 2.Sd2#
- 2.Rfe3#
- 2.Qf5#
- 1...Ra6
- 2.Sd2#
- 2.Rfe3#
- 2.Qf5#
- 1...Be5
- 2.Sxg5#
- 2.Sd2#
- 2.Rfe3#
- 1...Bg7
- 2.Sxg5#
- 2.Sd2#
- 2.Sd6#
- 2.Rfe3#
- 1...Bh8
- 2.Sxg5#
- 2.Sd2#
- 2.Sd6#
- 2.Rfe3#
- 1...Sg2
- 2.Sd2#
- 2.Sd6#
- 2.Qf5#
- 1...Sf4
- 2.Sd2#
- 2.Sd6#
- 2.Rfe3#
- 1...Sh4
- 2.Sd2#
- 2.Sd6#
- 2.Rfe3#
- 1...Sxd3!
- threat
- 1.c3+?
- 1...Rc2
- 2.Sd2#
- 2.Re3#
- 2.Qf5#
- 1...Sc2
- 2.Sd2#
- 2.Re3#
- 2.Qf5#
- 1...Sd3
- 2.Re3#
- 2.Qf5#
- 1...Kxf3!
- 1...Rc2
- 1.Bc5?
- Keys
- 1.Rb4!
- threat
- 2.Sd2#
- 1...Kxf3
- 2.Sd2#
- 1...Kxd4
- 2.c3#
- 1...Qxd4
- 2.Qf5#
- 1...Bxd4
- 2.Sxg5#
- 1...Sxf3
- 2.Sd6#
- 1...dxc4
- 2.Re3#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Q(j);SBLOCK,XP(I)::QAB1(J)
- B(h);N_GUARD,SBLOCK,XP(I)::S(G),XP(f)
- Tries
- Try
- B(K);
- Threat
- DUALS(5)
- Vars
- B(h);N_GUARD,XP(I)::S(G),XP(f)
- Refutation
- Q(j);XB(K)
- Try
- R(E);
- Threat
- DUALS(4)
- Vars
- Q(j);XP(I)::QAB1(J)
- Q(j);XQ(J)::S(H)
- B(h);N_GUARD,XP(I)::S(G),XP(f)
- S(a);XR(F)::S(H)
- Refutation
- S(a);XR(E)
- Try
- P(C);CHECK
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- Actual
- R(E);
- Threat
- S(H)
- Vars
- K(d);S_FLIGHT,XR(F)::S(H)
- K(d);P-FLIGHT,P_SPINP(e),XP(I)::P(C)
- Q(j);SBLOCK,XP(I)::QAB1(J)
- B(h);N_GUARD,SBLOCK,XP(I)::S(G),XP(f)
- S(a);SBLOCK,XR(F)::S(H)
- P(e);XS(H)::R1(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).