MESON Chess Problem Database
Problem Display
PID: 215321 (2Q4b/2R3r1/1pPP2p1/p2kBNR1/4p3/1P1r1b2/2NP4/6K1 w - - 0 1)
Dohrn-Luttgens, Julius
Funkschach, 1926
#2
11 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Sfe3+?
- 1...Rxe3
- 2.Bh2#
- 2.Bg3#
- 2.Bf4#
- 1...Kc5!
- 1...Rxe3
- 1.Bh2?
- threat
- 2.Sfe3#
- 2.Sfd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Kc5
- 2.Sfd4#
- 1...Rxb3
- 2.Sfe3#
- 1...Rxc7
- 2.Se7#
- 1...gxf5
- 2.Qxf5#
- 1...Rd7
- 2.Sg7#
- 1...Re3
- 2.Sfxe3#
- 2.Sfd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rd4
- 2.Sfe3#
- 2.Sfxd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Re7
- 2.Sfe3#
- 2.Sxe7#
- 1...Rf7
- 2.Sfe3#
- 2.Se7#
- 1...Rh7
- 2.Sfe3#
- 2.Se7#
- 2.Sg7#
- 1...Rg8
- 2.Sfe3#
- 2.Se7#
- 2.Sg7#
- 1...Bg4
- 2.Sfe3#
- 2.Se7#
- 1...e3!
- threat
- 1.Bg3?
- threat
- 2.Sfe3#
- 2.Sfd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Kc5
- 2.Sfd4#
- 1...Rxb3
- 2.Sfe3#
- 1...Rxc7
- 2.Se7#
- 1...gxf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Rd7
- 2.Sg7#
- 1...Re3
- 2.Sfxe3#
- 2.Sfd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rd4
- 2.Sfe3#
- 2.Sfxd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Re7
- 2.Sfe3#
- 2.Sxe7#
- 1...Rf7
- 2.Sfe3#
- 2.Se7#
- 1...Rh7
- 2.Sfe3#
- 2.Se7#
- 2.Sg7#
- 1...Rg8
- 2.Sfe3#
- 2.Se7#
- 2.Sg7#
- 1...Bg4
- 2.Sfe3#
- 2.Se7#
- 1...e3!
- threat
- 1.Qe6+?
- 1...Kc5
- 2.Qc4#
- 1...Kxe6!
- 1...Kc5
- 1.Sfe3+?
- Keys
- 1.Bf4!
- threat
- 2.Sfe3#
- 2.Sg3#
- 2.Sfd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Kc5
- 2.Sfd4#
- 1...Rxb3
- 2.Sfe3#
- 1...Rxc7
- 2.Se7#
- 1...gxf5
- 2.Qxf5#
- 1...Rd7
- 2.Sg7#
- 1...e3
- 2.Sg3#
- 1...Re3
- 2.Sfxe3#
- 2.Sg3#
- 2.Sfd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rd4
- 2.Sfe3#
- 2.Sg3#
- 2.Sfxd4#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Re7
- 2.Sfe3#
- 2.Sxe7#
- 1...Rf7
- 2.Sfe3#
- 2.Se7#
- 1...Rh7
- 2.Sfe3#
- 2.Se7#
- 2.Sg7#
- 1...Rg8
- 2.Sfe3#
- 2.Se7#
- 2.Sg7#
- 1...Bg4
- 2.Sfe3#
- 2.Se7#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);CHECK
- Refutation
- K(e);P-FLIGHT
- Try
- B(E);
- Threat
- DUALS(6)
- Vars
- K(e);P-FLIGHT::R(G)+S(F)
- R(a);XP(D)::R(G)+S(F),DCHECK
- R(h);XR(J)::R(G)+S(F),DCHECK
- P(g);OGATE,P_PINR(G),P_SPINP(g),XS(F)::QAR2(K),XP(g)
- R(h);::R(G)+S(F)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- DUALS(6)
- Vars
- K(e);P-FLIGHT::R(G)+S(F)
- R(a);XP(D)::R(G)+S(F),DCHECK
- R(h);XR(J)::R(G)+S(F),DCHECK
- R(h);::R(G)+S(F)
- Refutation
- P(c);
- Try
- Q(K);CHECK
- Vars
- K(e);OGATE,P-FLIGHT::QAR1(K)
- Refutation
- K(e);S_FLIGHT,XQ(K)
- Try
- Actual
- B(E);
- Threat
- DUALS(7)
- Vars
- K(e);P-FLIGHT::R(G)+S(F)
- R(a);XP(D)::R(G)+S(F),DCHECK
- R(h);XR(J)::R(G)+S(F),DCHECK
- P(g);OGATE,P_PINR(G),P_SPINP(g),XS(F)::QAR2(K),XP(g)
- R(h);::R(G)+S(F)
- P(c);::R(G)+S(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).