MESON Chess Problem Database
Problem Display
PID: 169922 (b3R3/r1p2p2/p7/r4kPQ/p6p/4R2N/4P2n/K7 w - - 0 1)
van Dijk, Johannes
De Maasbode, 1945
#2
7 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.R3xe5#
- 2.R8xe5#
- 1...Bd5
- 2.R3e5#
- 2.R8e5#
- 1...Sg4
- 2.Qh7#
- 1...c5
- 2.R3e5#
- 2.R8e5#
- 1...f6
- 2.g6#
- 1...Re5
- Tries
- 1.Rg3?
- threat
- 2.Qxf7#
- 2.Qh7#
- 1...Re5
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Sg4
- 2.Qh7#
- 1...c5
- 2.Qh7#
- 1...c6
- 2.Qh7#
- 2.e4#
- 1...f6
- 2.Qh7#
- 2.g6#
- 1...hxg3!
- threat
- 1.R3e4?
- threat
- 2.Rf4#
- 2.Qxf7#
- 2.Qh7#
- 1...Re5
- 2.Rf4#
- 2.R4xe5#
- 2.R8xe5#
- 2.Qh7#
- 1...Bd5
- 2.Rf4#
- 2.R4e5#
- 2.R8e5#
- 2.Qh7#
- 1...Sg4
- 2.Rf4#
- 2.Qh7#
- 1...c5
- 2.Rf4#
- 2.R4e5#
- 2.R8e5#
- 2.Qh7#
- 1...c6
- 2.Rf4#
- 2.Qh7#
- 1...f6
- 2.Rf4#
- 2.Qh7#
- 2.g6#
- 1...Bxe4!
- threat
- 1.R3e6?
- threat
- 2.Rf6#
- 2.g6#
- 1...Re5
- 2.Rxe5#
- 1...Bf3
- 2.Rf6#
- 1...Sf3
- 2.Rf6#
- 1...Sg4
- 2.Qh7#
- 2.g6#
- 1...f6
- 2.Rxf6#
- 2.gxf6#
- 2.g6#
- 1...fxe6!
- threat
- 1.R8e4?
- threat
- 2.Rf4#
- 2.Qxf7#
- 2.Qh7#
- 1...Re5
- 2.Rxe5#
- 2.Qxf7#
- 1...Bd5
- 2.Rf4#
- 2.Re5#
- 2.Qh7#
- 1...Sg4
- 2.Rf4#
- 2.Qh7#
- 1...c5
- 2.Rf4#
- 2.Re5#
- 2.Qh7#
- 1...c6
- 2.Rf4#
- 2.Qh7#
- 1...f6
- 2.Rf4#
- 2.Qh7#
- 2.g6#
- 1...Bxe4!
- threat
- 1.Rg3?
- Keys
- 1.R3e7!
- threat
- 2.Rxf7#
- 1...Re5
- 2.Rxe5#
- 1...Bd5
- 2.Re5#
- 1...Sg4
- 2.Qh7#
- 1...c5
- 2.Re5#
- 1...c6
- 2.e4#
- 1...f6
- 2.g6#
- threat
- 1.R3e7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(a);SBLOCK::QAB(F)
- P(i);SBLOCK::QAR(F)+P(E)
- Tries
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(d);::QAB(F)
- B(j);::QAB(F)
- S(a);::QAB(F)
- P(h);::QAB(F)
- Refutation
- P(c);XR(C)
- Try
- R(C);
- Threat
- DUALS(3)
- Refutation
- B(j);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD::R1(C),XR(d)
- B(j);::R1(C)
- S(a);::R1(C)
- Refutation
- P(i);XR(C)
- Try
- R(G);
- Threat
- DUALS(3)
- Refutation
- B(j);XR(G)
- Try
- Actual
- R(C);
- Threat
- R(C),XP(i)
- Vars
- R(d);N_GUARD::R1(C),XR(d)
- B(j);S_CUTR(d)::R1(C)
- S(a);SBLOCK::QAB(F)
- P(h);S_CUTR(d)::R1(C)
- P(h);S_CUTB(j)::P(B)
- P(i);SBLOCK::QAR(F)+P(E)
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).