MESON Chess Problem Database
Problem Display
PID: 194056 (3r4/7p/2P1R3/nP1kN2Q/3BR3/8/4P2n/3K4 w - - 0 1)
Lindgren, Frithiof
Dagens Nyheder, 1917
#2
9 + 5
| 5454 | Near Snap | 2019 |
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Kxe6
- 2.Sc4#
- 2.Sf7#
- 1...Kxe6
- Tries
- 1.Ba1?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 1...Kc5+
- 2.Sd7#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- 1...Kxe6+!
- threat
- 1.Bg1?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- 1...Kxe6+!
- threat
- 1.Bb2?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 1...Kc5+
- 2.Sd7#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- 1...Kxe6+!
- threat
- 1.Bf2?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- 1...Kxe6+!
- threat
- 1.Bc3?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 1...Kc5+
- 2.Sd7#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- 1...Kxe6+!
- threat
- 1.Be3?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 2.Sd7#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- 1...Kxe6+!
- threat
- 1.Bb6?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- 1...Kxe6+!
- threat
- 1.Ba7?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- 1...Kxe6+!
- threat
- 1.Ba1?
- Keys
- 1.Bc5!
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...Kxe4+
- 2.Sd3#
- 1...Kxc5+
- 2.Sd7#
- 1...Kxe6+
- 2.Sd7#
- 1...Sxc6
- 2.Sxc6#
- 1...Rd7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rf8
- 2.Sf7#
- 1...Rg8
- 2.Sg6#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sc4
- 2.Sxc4#
- threat
- 1.Bc5!
Anticipated by 43980(1913), 143646(1913)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(C);
- Threat
- DUALS(7)
- Vars
- K(c);CHECK,S_FLIGHT,XR(D)::R(I)+S(F)
- K(c);CHECK,P-FLIGHT::QAR(G)+S(F),DCHECK
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(I)
- Try
- B(C);
- Threat
- DUALS(7)
- Vars
- K(c);CHECK,S_FLIGHT,XR(D)::R(I)+S(F)
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(I)
- Try
- B(C);
- Threat
- DUALS(7)
- Vars
- K(c);CHECK,S_FLIGHT,XR(D)::R(I)+S(F)
- K(c);CHECK,P-FLIGHT::QAR(G)+S(F),DCHECK
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(I)
- Try
- B(C);
- Threat
- DUALS(7)
- Vars
- K(c);CHECK,S_FLIGHT,XR(D)::R(I)+S(F)
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(I)
- Try
- B(C);
- Threat
- DUALS(7)
- Vars
- K(c);CHECK,S_FLIGHT,XR(D)::R(I)+S(F)
- K(c);CHECK,P-FLIGHT::QAR(G)+S(F),DCHECK
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(I)
- Try
- B(C);
- Threat
- DUALS(7)
- Vars
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(I)
- Try
- B(C);
- Threat
- DUALS(7)
- Vars
- K(c);CHECK,S_FLIGHT,XR(D)::R(I)+S(F)
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(I)
- Try
- B(C);
- Threat
- DUALS(7)
- Vars
- K(c);CHECK,S_FLIGHT,XR(D)::R(I)+S(F)
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(I)
- Try
- Actual
- B(C);
- Threat
- DUALS(7)
- Vars
- K(c);CHECK,S_FLIGHT,XR(D)::R(I)+S(F)
- K(c);CHECK,P-FLIGHT,XB(C)::QAR(G)+S(F),DCHECK
- K(c);CHECK,S_FLIGHT,XR(I)::R(D)+S(F)
- S(b);XP(H)::QAR(G)+S(F),XS(b)
- R(e);::QAR(G)+S(F)
- S(a);::QAR(G)+S(F),XS(a)
- S(b);::QAR(G)+S(F),XS(b)
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).