MESON Chess Problem Database
Problem Display
PID: 231282 (4r3/pB1Pp1Qp/2R3p1/1p1kN3/7R/r3p1PK/1N1b4/8 w - - 0 1)
van Dijk, Johannes
De Maasbode, 1927
#2
9 + 10
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Sed3?
- threat
- 2.Rd4#
- 2.Ra6#
- 2.Rb6#
- 2.Rf6#
- 2.Rxg6#
- 2.Qd4#
- 2.Qe5#
- 1...Rc3
- 2.Sb4#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Ra4
- 2.Ra6#
- 2.Rb6#
- 2.Rf6#
- 2.Rxg6#
- 2.Qe5#
- 1...Ra6
- 2.Rd4#
- 2.Rxa6#
- 2.Rb6#
- 2.Qd4#
- 2.Qe5#
- 1...Rb8
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Rc8
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Bc3
- 2.Ra6#
- 2.Rb6#
- 2.Rf6#
- 2.Rxg6#
- 1...g5
- 2.Rd4#
- 2.Ra6#
- 2.Rb6#
- 2.Rf6#
- 2.Rg6#
- 2.Rch6#
- 2.Qd4#
- 2.Qe5#
- 1...a6
- 2.Rd4#
- 2.Rxa6#
- 2.Rb6#
- 2.Rf6#
- 2.Rxg6#
- 2.Qd4#
- 2.Qe5#
- 1...e5
- 2.Ra6#
- 2.Rb6#
- 2.Rf6#
- 2.Rxg6#
- 1...e6
- 2.Rd4#
- 2.Ra6#
- 2.Rb6#
- 2.Qd4#
- 2.Qe5#
- 1...Rxd3!
- threat
- 1.Sec4?
- threat
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...bxc4
- 2.Rd4#
- 2.Qd4#
- 1...Rd3
- 2.Qe5#
- 1...Bc3
- 2.Sxe3#
- 1...e5!
- threat
- 1.Rf6+?
- 1...Kxe5
- 2.Re4#
- 1...Kc5!
- 1...Kxe5
- 1.Qxg6?
- threat
- 2.Qe4#
- 2.Qe6#
- 1...Kxe5
- 2.Rc5#
- 2.Re6#
- 2.Qe4#
- 2.Qh5#
- 2.Qg5#
- 2.Qe6#
- 1...Ra4
- 2.Qe6#
- 1...e6
- 2.Qe4#
- 1...hxg6!
- threat
- 1.Qxe7?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Re6#
- 2.Rf6#
- 2.Rxg6#
- 2.Rc7#
- 2.Rc8#
- 2.Qc5#
- 2.Qd6#
- 1...Rc3
- 2.Rxc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Qd6#
- 1...Ra6
- 2.Rc5#
- 2.Rxa6#
- 2.Rb6#
- 2.Qc5#
- 2.Qd6#
- 1...Rb8
- 2.Rc5#
- 2.Qc5#
- 2.Qd6#
- 2.Qe6#
- 1...Rc8
- 2.Rc5#
- 2.Rc7#
- 2.Rxc8#
- 2.Qc5#
- 2.Qd6#
- 2.Qe6#
- 1...Bc1
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Re6#
- 2.Rf6#
- 2.Rxg6#
- 2.Rc7#
- 2.Rc8#
- 2.Qc5#
- 2.Qd6#
- 1...Bc3
- 2.Rxc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Re6#
- 2.Rf6#
- 2.Rxg6#
- 2.Rc7#
- 2.Rc8#
- 2.Qc5#
- 2.Qd6#
- 1...Bb4
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Re6#
- 2.Rf6#
- 2.Rxg6#
- 2.Rc7#
- 2.Rc8#
- 1...g5
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rch6#
- 2.Rc7#
- 2.Rc8#
- 2.Qc5#
- 2.Qd6#
- 1...a6
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Rxa6#
- 2.Rb6#
- 2.Re6#
- 2.Rf6#
- 2.Rxg6#
- 2.Rc7#
- 2.Rc8#
- 2.Qc5#
- 2.Qd6#
- 1...Rxe7!
- threat
- 1.Qf7+?
- 1...Kxe5
- 2.Re6#
- 2.Qe6#
- 1...e6!
- 1...Kxe5
- 1.dxe8Q?
- threat
- 2.Qd7#
- 2.Qd8#
- 1...Ba5
- 2.Qd7#
- 1...Bb4!
- threat
- 1.Sed3?
- Keys
- 1.Sg4!
- threat
- 2.Qe5#
- 1...Ke4
- 2.Rc5#
- 1...e5
- 2.Sf6#
- 1...Bc3
- 2.Sxe3#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);
- Threat
- DUALS(7)
- Refutation
- R(b);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(b);::QAR1(I)
- B(a);N_GUARD,S_CUTR(b)::S(E),XP(c)
- Refutation
- P(h);
- Try
- R(F);CHECK
- Vars
- K(e);P-FLIGHT,XS(E)::R1(D)
- Refutation
- K(e);P-FLIGHT
- Try
- Q(I);XP(f)
- Threat
- DUALS(2)
- Vars
- R(b);::QAB1(I)
- P(h);::QAB1(I)
- Refutation
- P(i);XQ(I)
- Try
- Q(I);XP(h)
- Threat
- DUALS(14)
- Refutation
- R(j);XQ(I)
- Try
- Q(I);CHECK
- Refutation
- P(h);P_SPINP(h)
- Try
- P(H);XR(j)
- Threat
- DUALS(2)
- Vars
- B(a);::QAR2(H)
- Refutation
- B(a);
- Try
- Actual
- S(E);
- Threat
- QAR1(I)
- Vars
- K(e);S_FLIGHT::B(G)+R(F)
- P(h);N_GUARD,SBLOCK::S(E)
- B(a);N_GUARD,S_CUTR(b)::S(E),XP(c)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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