MESON Chess Problem Database
Problem Display
PID: 206404 (Q7/4p3/pB1Pp2N/Rp2k1pP/4N1p1/6P1/1P6/K7 w - - 0 1)
van Dijk, Johannes
Noord-Hollandsch Dagblad, 1925
#2
10 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Sf2?
- 1...Kf6
- 2.Qh8#
- 1...exd6
- 2.Sfxg4#
- 1...Kxd6!
- 1...Kf6
- 1.Sc3?
- 1...Kf6
- 2.Qh8#
- 1...exd6
- 2.Qh8#
- 1...Kxd6!
- 1...Kf6
- 1.Sf6?
- 1...Kxd6
- 2.Sf7#
- 1...Kxf6
- 2.Qh8#
- 1...exd6
- 2.Sfxg4#
- 2.Sd7#
- 1...exf6!
- 1...Kxd6
- 1.Bc5?
- 1...b4
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb6#
- 2.Ba7#
- 1...exd6!
- 1...b4
- 1.Bd8?
- 1...exd6
- 2.Bf6#
- 1...Kd4!
- 1...exd6
- 1.Ra4?
- threat
- 2.Bd4#
- 1...b4
- 2.Ra5#
- 1...bxa4!
- threat
- 1.Rxa6?
- 1...b4
- 2.Ra5#
- 1...exd6!
- 1...b4
- 1.Sf2?
- Keys
- 1.Sc5!
- 1...Kd4
- 2.Qe4#
- 1...Kxd6
- 2.Sf7#
- 1...Kf6
- 2.Qh8#
- 1...exd6
- 2.Sd7#
- 1...b4
- 2.Se4#
- 1...Kd4
- 1.Sc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(D);
- Vars
- K(c);N_SPINP(b),S_FLIGHT::QAB(J)
- P(g);SBLOCK,XP(H)::S(D),XP(a)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT,XP(H)
- Try
- S(D);
- Vars
- K(c);N_SPINP(b),S_FLIGHT::QAB(J)
- P(g);SBLOCK,XP(H)::QAB(J)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT,XP(H)
- Try
- S(D);
- Vars
- K(c);N_SPINP(b),S_FLIGHT,XP(H)::S(I)
- K(c);N_SPINP(b),OGATEB,S_FLIGHT,XS(D)::QAB(J)
- Refutation
- P(g);XS(D)
- Try
- B(G);N_PINP(b)
- Refutation
- P(g);XP(H)
- Try
- B(G);
- Vars
- P(g);OGATE,XP(H)::B(G)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT
- Try
- R(E);N_PINP(b)
- Threat
- B(G)
- Vars
- P(b);OGATEB::R(E)
- Refutation
- P(b);XR(E)
- Try
- R(E);N_PINP(b),XP(e)
- Vars
- P(b);OGATEB::R(E)
- Refutation
- P(g);XP(H)
- Try
- Actual
- S(D);N_PINP(b)
- Vars
- K(c);S_FLIGHT::QAR1(J)
- K(c);S_FLIGHT,XP(H)::S(I)
- K(c);S_FLIGHT::QAB(J)
- P(g);SBLOCK,XP(H)::S(D)
- P(b);::R(E)+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).