MESON Chess Problem Database
Problem Display
PID: 9693 (3R2B1/2n3pK/5N2/1n1rkN2/R3P2Q/3rp3/7b/7b w - - 0 1)
Munck, Laurits Andreas
Deutsches Wochenschach, 1908
#2
8 + 9
| 5424 | Versunkene Schatze | 1998 |
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Sg4#
- 1...Sd6
- 2.Sd7#
- 1...Sa6
- 2.Re8#
- 1...Sa8
- 2.Re8#
- 1...Se8
- 2.Rxe8#
- 1...gxf6
- 2.Qxh2#
- 1...Bf4
- Tries
- 1.Rxd5+?
- 1...Sxd5
- 2.Sd7#
- 1...Rxd5!
- 1...Sxd5
- 1.Rd6?
- threat
- 2.Sd7#
- 2.Qxh2#
- 1...Bxe4
- 2.Qxe4#
- 1...Sxd6
- 2.Sd7#
- 1...gxf6
- 2.Qxh2#
- 1...Rd2
- 2.Sd7#
- 1...Bg1
- 2.Sd7#
- 2.Qg3#
- 1...Bg3
- 2.Sd7#
- 2.Qxg3#
- 1...Bf4
- 2.Sg4#
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 2.Rxe6#
- 1...e2
- 2.Sd7#
- 1...Rxd6!
- threat
- 1.Re8+?
- 1...Se6
- 2.Rxe6#
- 1...Sxe8!
- 1...Se6
- 1.Qg3+?
- 1...Kxf6
- 2.Rf8#
- 2.Qxg7#
- 1...Bxg3!
- 1...Kxf6
- 1.Qg5?
- threat
- 2.Sxe3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 2.Sg4#
- 1...Rxd8
- 2.Sg4#
- 1...Bxe4
- 2.Sg4#
- 2.Rxe4#
- 1...R3d4
- 2.Sxe3#
- 2.Sg3#
- 2.Sxd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...R5d4
- 2.Sxe3#
- 2.Sg3#
- 2.Sxd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rd6
- 2.Sxe3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sxd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 2.Sg4#
- 1...Rd7
- 2.Sg4#
- 1...Bf3
- 2.Sxe3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Bg3
- 2.Sxe3#
- 2.Sxg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 2.Sg4#
- 1...Bf4
- 2.Sg4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sxd6#
- 2.Sg4#
- 2.Sd7#
- 1...Se6
- 2.Sg4#
- 1...e2
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 2.Sg4#
- 1...g6
- 2.Sxe3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 2.Sg4#
- 1...gxf6!
- threat
- 1.Qf4+?
- 1...Kxf6
- 2.Rf8#
- 1...Bxf4
- 2.Sg4#
- 1...Kxf4!
- 1...Kxf6
- 1.Rxd5+?
- Keys
- 1.Sd6!
- threat
- 2.Qg5#
- 1...Bxe4+
- 2.Rxe4#
- 1...Sxd6
- 2.Sd7#
- 1...gxf6
- 2.Qxh2#
- 1...g5
- 2.Qxg5#
- 1...Bf4
- 2.Sg4#
- 1...Sd4
- 2.Sc4#
- 1...Se6
- 2.Sf7#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- B(b);SBLOCK::S(E)
- S(e);S_CUTR(f)::S(E)
- S(h);N_GUARD::R(G)
- S(h);N_GUARD::R(G),XS(h)
- P(i);SBLOCK,XS(E)::QAB(C),XB(b)
- Tries
- Try
- R(G);CHECK,XR(f)
- Vars
- S(h);XR(G)::S(E)
- Refutation
- R(c);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(a);OGATE,P_PINS(D),XP(B)::QAR1(C),XB(a)
- S(e);XR(G)::S(E)
- P(i);XS(E)::QAB(C),XB(b)
- R(c);::S(E)
- P(d);::S(E)
- Refutation
- R(f);XR(G)
- Try
- R(G);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::R1(G),XS(h)
- Refutation
- S(h);XR(G)
- Try
- Q(C);CHECK
- Refutation
- B(b);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(9)
- Vars
- R(f);XR(G)::S(E)
- R(f);::S(E)
- B(b);::S(E)
- S(e);::QAR(C)+S(D),XS(e)
- S(h);::S(E)
- Refutation
- P(i);XS(E)
- Try
- Q(C);CHECK
- Vars
- K(g);S_FLIGHT,XS(E)::R(G)
- B(b);SBLOCK,XQ(C)::S(E)
- Refutation
- K(g);S_FLIGHT,XQ(C)
- Try
- Actual
- S(D);
- Threat
- QAR2(C)
- Vars
- B(a);CHECK,OGATE,XP(B)::R1(A),XB(a)
- S(e);SBLOCK,XS(D)::S(E)
- P(i);SBLOCK,XS(E)::QAB(C),XB(b)
- P(i);::QAR2(C),XP(i)
- B(b);SBLOCK::S(E)
- S(e);SBLOCK::S(D)
- S(h);SBLOCK::S(D)
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).