MESON Chess Problem Database
Problem Display
PID: 198319 (6b1/1pbPQ3/1R1Rp3/1B3P2/1k1B4/pN6/P6K/8 w - - 0 1)
van Dijk, Johannes
Algemeen Handelsblad, 1920
#2
10 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bxb6
- 2.Rxb6#
- 1...Bxd6+
- 2.Qxd6#
- 1...exf5
- 2.Qe1#
- 1...Bxb6
- Tries
- 1.Bb2?
- threat
- 2.Qh4#
- 1...Bxd6+
- 2.Qxd6#
- 1...Bxb6
- 2.Rxb6#
- 1...exf5
- 2.Qe1#
- 1...Bd8
- 2.Rd4#
- 1...e5
- 2.Rd4#
- 1...axb2!
- threat
- 1.Qh4?
- threat
- 2.Ba1#
- 2.Bb2#
- 2.Be5#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Qe1#
- 1...Bxd6+
- 2.Be5#
- 1...exf5
- 2.Qe1#
- 1...Bd8
- 2.Bf6#
- 2.Qe1#
- 1...e5
- 2.Qe1#
- 1...Bxb6!
- threat
- 1.Bb2?
- Keys
- 1.Ba1!
- threat
- 2.Qh4#
- 1...Bxd6+
- 2.Qxd6#
- 1...Bxb6
- 2.Rxb6#
- 1...exf5
- 2.Qe1#
- 1...Bd8
- 2.Rd4#
- 1...e5
- 2.Rd4#
- threat
- 1.Ba1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(e);N_PINR(H),XR(G)::QAB(J)+R(H),XB(e)
- B(e);CHECK,OGATE,P_SPINB(e),XR(H)::QAB(J),XB(e)
- P(c);OGATE,XP(F)::QAB(J)
- Tries
- Try
- B(D);
- Threat
- QAR(J)
- Vars
- B(e);CHECK,OGATE,P_SPINB(e),XR(H)::QAB(J),XB(e)
- B(e);N_PINR(H),XR(G)::QAB(J)+R(H),XB(e)
- P(c);OGATE,XP(F)::QAB(J)
- B(e);N_PINR(H)::QAB(J)+R(H),DCHECK
- P(c);N_PINR(H)::QAB(J)+R(H),DCHECK
- Refutation
- P(a);XB(D)
- Try
- Q(J);
- Threat
- DUALS(7)
- Vars
- B(e);CHECK,XR(H)::QAR(J)+B(D)
- P(c);XP(F)::QAB(J)
- P(c);N_PINR(H)::QAB(J)
- Refutation
- B(e);N_PINR(H),XR(G)
- Try
- Actual
- B(D);
- Threat
- QAR(J)
- Vars
- B(e);CHECK,OGATE,P_SPINB(e),XR(H)::QAB(J),XB(e)
- B(e);N_PINR(H),XR(G)::QAB(J)+R(H),XB(e)
- P(c);OGATE,XP(F)::QAB(J)
- B(e);N_PINR(H)::QAB(J)+R(H),DCHECK
- P(c);N_PINR(H)::QAB(J)+R(H),DCHECK
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).