MESON Chess Problem Database
Problem Display
PID: 178131 (K1Q5/4pr2/3bR3/1Npkrn2/R1pP3N/3P3B/4Pn2/3b1qB1 w - - 0 1)
Deichelbohrer, Horst
Schach-Echo, 1976
#2
11 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxe2
- 2.dxc4#
- 1...Re3
- 2.dxc4#
- 1...Re4
- 2.dxc4#
- 1...Rxe6
- 2.Qb7#
- 1...Bb8
- 2.Qc6#
- 1...Sh1
- 2.Sc3#
- 1...Sxd3
- 2.Sc3#
- 1...Sxh3
- 2.Sc3#
- 1...Se4
- 2.dxc4#
- 1...Sg4
- 2.Sc3#
- 1...Se3
- 2.Qb7#
- 1...Sg3
- 2.Qb7#
- 1...Sxd4
- 2.Sc3#
- 1...Sxh4
- 2.Qb7#
- 1...Sh6
- 2.Qb7#
- 1...Sg7
- 2.Qb7#
- 1...cxd3
- 2.Sc3#
- 1...c3
- 2.Sxc3#
- 1...cxd4
- 2.Qxc4#
- 1...Rxe2
- Tries
- 1.Sg2?
- threat
- 2.Sf4#
- 1...Rxe2
- 2.dxc4#
- 1...Rxe6
- 2.Qb7#
- 1...Sxd3
- 2.Sc3#
- 1...Sxh3
- 2.Sc3#
- 1...Sxd4
- 2.Sc3#
- 1...cxd3
- 2.Sc3#
- 1...Re3
- 2.dxc4#
- 1...Re4
- 2.dxc4#
- 1...Sh1
- 2.Sc3#
- 1...Se4
- 2.dxc4#
- 1...Sg4
- 2.Sc3#
- 1...Se3
- 2.Qb7#
- 1...Sg3
- 2.Qb7#
- 1...Sh4
- 2.Qb7#
- 1...Sh6
- 2.Qb7#
- 1...Sg7
- 2.Qb7#
- 1...Qxg2!
- threat
- 1.Sf3?
- threat
- 2.Sc3#
- 1...cxd4
- 2.Qxc4#
- 1...Se4
- 2.dxc4#
- 1...c3
- 2.Sxc3#
- 1...Qe1!
- threat
- 1.Bg2+?
- 1...Re4
- 2.dxc4#
- 1...Se4
- 2.Sc3#
- 2.dxc4#
- 1...Qxg2!
- 1...Re4
- 1.Bxf5?
- threat
- 2.Qb7#
- 2.dxc4#
- 1...Qxe2
- 2.Qb7#
- 1...Rexf5
- 2.dxc4#
- 1...Bxe2
- 2.Qb7#
- 1...Bxa4
- 2.Qb7#
- 1...Sxd3
- 2.Sc3#
- 2.Qb7#
- 1...cxd3
- 2.Sc3#
- 2.Qb7#
- 1...cxd4
- 2.Qxc4#
- 2.dxc4#
- 1...Rf8
- 2.dxc4#
- 1...Bb3
- 2.Qb7#
- 1...c3
- 2.Sxc3#
- 2.Qb7#
- 1...Rfxf5!
- threat
- 1.Rxd6+?
- 1...Sxd6
- 2.Qxc5#
- 1...exd6!
- 1...Sxd6
- 1.Sg2?
- Keys
- 1.Sg6!
- threat
- 2.Sf4#
- 1...Rxe2
- 2.dxc4#
- 1...Rxe6
- 2.Qb7#
- 1...Sxd3
- 2.Sc3#
- 1...Sxh3
- 2.Sc3#
- 1...Sxd4
- 2.Sc3#
- 1...cxd3
- 2.Sc3#
- 1...Re3
- 2.dxc4#
- 1...Re4
- 2.dxc4#
- 1...Sh1
- 2.Sc3#
- 1...Se4
- 2.dxc4#
- 1...Sg4
- 2.Sc3#
- 1...Se3
- 2.Qb7#
- 1...Sg3
- 2.Qb7#
- 1...Sh4
- 2.Qb7#
- 1...Sh6
- 2.Qb7#
- 1...Sg7
- 2.Qb7#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(g);XP(B)::P(C),XP(d)
- R(g);::P(C),XP(d)
- R(g);SBLOCK,XR(I)::QAB(K)
- B(i);::QAB1(K)
- S(c);::S(H)
- S(c);XP(C)::S(H)
- S(c);XB(D)::S(H)
- S(c);SBLOCK::P(C),XP(d)
- S(h);::QAB(K)
- S(h);SBLOCK,XP(F)::S(H)
- S(h);XS(G)::QAB(K)
- P(d);XP(C)::S(H)
- P(d);::S(H),XP(d)
- P(e);OGATE,XP(F)::QAB1(K),XP(d)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- R(g);XP(B)::P(C),XP(d)
- R(g);SBLOCK,XR(I)::QAB(K)
- S(c);XP(C)::S(H)
- S(c);XB(D)::S(H)
- S(h);SBLOCK,XP(F)::S(H)
- P(d);XP(C)::S(H)
- R(g);::P(C),XP(d)
- S(c);::S(H)
- S(c);SBLOCK::P(C),XP(d)
- S(h);::QAB(K)
- Refutation
- Q(b);XS(G)
- Try
- S(G);
- Threat
- S(H)
- Vars
- P(e);OGATE,XP(F)::QAB1(K),XP(d)
- S(c);SBLOCK::P(C),XP(d)
- P(d);::S(H),XP(d)
- Refutation
- Q(b);
- Try
- B(D);CHECK
- Vars
- R(g);P_SPINR(g)::P(C),XP(d)
- Refutation
- Q(b);XB(D)
- Try
- B(D);XS(h)
- Threat
- DUALS(2)
- Vars
- Q(b);XP(B)::QAB(K)
- R(g);XB(D)::P(C),XP(d)
- B(a);XP(B)::QAB(K)
- B(a);XR(E)::QAB(K)
- R(k);P_PINQ(K)::P(C),XP(d)
- B(a);::QAB(K)
- Refutation
- R(k);XB(D)
- Try
- R(I);CHECK,XB(i)
- Vars
- S(h);XR(I)::QAR1(K),XP(e)
- Refutation
- P(j);XR(I)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- R(g);XP(B)::P(C),XP(d)
- R(g);SBLOCK,XR(I)::QAB(K)
- S(c);XP(C)::S(H)
- S(c);XB(D)::S(H)
- S(h);SBLOCK,XP(F)::S(H)
- P(d);XP(C)::S(H)
- R(g);::P(C),XP(d)
- S(c);::S(H)
- S(c);SBLOCK::P(C),XP(d)
- S(h);::QAB(K)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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