MESON Chess Problem Database
Problem Display
PID: 99519 (5B1K/1B5p/3pn1p1/r2Nk1Pp/R2pn2N/6P1/Q2p1R2/5r2 w - - 0 1)
Latzel, Gerhard Paul
Magyar Sakkvilag, 1950
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Qxd5#
- 1...h6
- 2.Sxg6#
- 1...Rxd5
- Tries
- 1.Se3?
- threat
- 2.Sc4#
- 2.Sf3#
- 1...Rxf2
- 2.Sc4#
- 1...Rxa4
- 2.Sf3#
- 2.Qd5#
- 1...Sxg3
- 2.Sc4#
- 1...S4xg5
- 2.Sc4#
- 1...Sxf8
- 2.Sf3#
- 1...dxe3
- 2.Rxe4#
- 1...d1Q
- 2.Sc4#
- 1...d1B
- 2.Sc4#
- 1...Rc1
- 2.Sf3#
- 1...Rc5
- 2.Sf3#
- 1...Sf4
- 2.Sf3#
- 2.gxf4#
- 1...S6c5
- 2.Sf3#
- 2.Qd5#
- 1...Sc7
- 2.Sf3#
- 1...Sg7
- 2.Sf3#
- 1...Sd8
- 2.Sf3#
- 1...d3
- 2.Sf3#
- 2.Rxe4#
- 1...d5
- 2.Sf3#
- 1...S6xg5!
- threat
- 1.Sb4?
- threat
- 2.Sd3#
- 2.Sc6#
- 1...Sxg3
- 2.Sd3#
- 1...S4xg5
- 2.Sd3#
- 1...d3
- 2.Sxd3#
- 2.Sc6#
- 1...d1Q
- 2.Sc6#
- 1...d1R
- 2.Sc6#
- 1...Rc1
- 2.Sd3#
- 1...Rc5
- 2.Sd3#
- 1...Ra6
- 2.Sd3#
- 2.Qd5#
- 1...Sc3
- 2.Sd3#
- 1...S4c5
- 2.Qd5#
- 1...Sf6
- 2.Sd3#
- 1...Sf4
- 2.Sc6#
- 2.gxf4#
- 1...S6c5
- 2.Sc6#
- 2.Qd5#
- 1...Sd8
- 2.Sd3#
- 1...Sxf2!
- threat
- 1.Sb6?
- threat
- 2.Sc4#
- 2.Sd7#
- 1...Rxa4
- 2.Sd7#
- 2.Qd5#
- 1...S6xg5
- 2.Sd7#
- 1...Rc1
- 2.Sd7#
- 1...Rc5
- 2.Sd7#
- 1...S4c5
- 2.Sc4#
- 2.Qd5#
- 1...Sf6
- 2.Sc4#
- 1...Sf4
- 2.Sd7#
- 2.gxf4#
- 1...S6c5
- 2.Qd5#
- 1...Sc7
- 2.Sd7#
- 1...Sg7
- 2.Sd7#
- 1...Sd8
- 2.Sd7#
- 1...d3
- 2.Sd7#
- 2.Rxe4#
- 1...d5
- 2.Sd7#
- 1...Sxf8!
- threat
- 1.Bg7+?
- 1...Sf6
- 2.Re2#
- 1...Sxg7!
- 1...Sf6
- 1.Se3?
- Keys
- 1.Sf4!
- threat
- 2.Sd3#
- 2.Qxe6#
- 1...Sxf2
- 2.Qxe6#
- 1...S4xg5
- 2.Sd3#
- 1...Sxf4
- 2.gxf4#
- 1...S6xg5
- 2.Sd3#
- 1...Sxf8
- 2.Sd3#
- 1...d1Q
- 2.Qxe6#
- 1...d1R
- 2.Qxe6#
- 1...Rd5
- 2.Sd3#
- 2.Qxd5#
- 1...S4c5
- 2.Qd5#
- 1...S6c5
- 2.Qd5#
- 1...Sc7
- 2.Sd3#
- 1...Sg7
- 2.Sd3#
- 1...Sd8
- 2.Sd3#
- 1...d3
- 2.Sxd3#
- 2.Rxe4#
- 2.Qxe6#
- 1...d5
- 2.Sd3#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 2
- Sets
- R(e);OGATE,XS(F)::QAR1(A),XR(e)
- P(k);N_GUARD::S(E),XP(j)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(a);XR(B)::S(F)
- S(d);XP(C)::S(F)
- S(d);XP(G)::S(F)
- S(i);XB(I)::S(E)
- P(c);OGATE,XS(F)::R1(D),XS(d)
- P(b);::S(F)
- R(a);::S(E)
- R(e);::S(E)
- S(i);::S(E)
- P(h);::S(E)
- Refutation
- S(i);XP(G)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(d);XP(C)::S(F)
- S(d);XP(G)::S(F)
- P(b);::S(F)
- R(a);::S(F)
- R(e);::S(F)
- S(d);::S(F)
- S(d);S_CUTR(e)::QAR1(A)
- S(i);::S(F)
- Refutation
- S(d);XR(B)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(i);XP(G)::S(F)
- R(a);::S(F)
- R(e);::S(F)
- S(d);::S(F)
- S(i);S_CUTR(e)::QAR1(A)
- S(i);::S(F)
- P(h);::S(F)
- Refutation
- S(i);XB(I)
- Try
- B(I);CHECK
- Vars
- S(d);P_SPINS(d),S_CUTR(a),S_CUTS(i)::R(B)
- Refutation
- S(i);XB(I)
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- S(d);XR(B)::QAR1(A),XS(i)
- S(d);XP(G)::S(F)
- S(i);OGATE,XS(F)::P(C),XS(i)
- S(i);XP(G)::S(F)
- S(i);XB(I)::S(F)
- P(b);::QAR1(A),XS(i)
- S(d);S_CUTR(e)::QAR1(A)
- S(i);S_CUTR(e)::QAR1(A)
- S(i);::S(F)
- P(h);::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).