MESON Chess Problem Database
Problem Display
PID: 62468 (5N2/5p2/3pP3/1Rp1k3/7B/2P2b1p/Q3pR1P/1BN1K1n1 w - - 0 1)
de Jong, Leonard Nicholaas
Source?, 0000
#2
11 + 8
| 58 | Tijdschrift vd NSB | 1896 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Bg2
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Be4
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 1...Bg4
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 1...Bd5
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Bh5
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Bc6
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Bb7
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Ba8
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...fxe6
- 2.Sg6#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 2.Bg3#
- 1...Bh1
- Tries
- 1.Bg5?
- threat
- 2.Sd7#
- 1...Bd5
- 2.Bf6#
- 2.Rf5#
- 1...Bc6
- 2.Bf6#
- 2.Rf5#
- 1...d5!
- threat
- 1.Rxf3?
- threat
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...fxe6
- 2.Sg6#
- 2.Sd7#
- 2.Bg3#
- 2.Bf6#
- 2.Qxe6#
- 1...d5
- 2.Bg3#
- 1...f5
- 2.Sg6#
- 2.Sd7#
- 2.Rxf5#
- 1...f6
- 2.Sg6#
- 2.Sd7#
- 2.Bg3#
- 2.Bxf6#
- 2.Rf5#
- 1...Sxf3+!
- threat
- 1.Qc4?
- threat
- 2.Sd7#
- 2.Qd4#
- 1...Bd5
- 2.Sd3#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 2.Qf4#
- 1...Bc6
- 2.Sd3#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 2.Qd4#
- 1...d5!
- threat
- 1.Qd5+?
- 1...Kf4
- 2.Qe4#
- 2.Qg5#
- 1...Bxd5
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Kxd5!
- 1...Kf4
- 1.Qd2?
- threat
- 2.Qd4#
- 1...Bd5
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 2.Qf4#
- 1...d5!
- threat
- 1.Bg5?
- Keys
- 1.Qa8!
- 1...Kf4
- 2.Qe4#
- 1...Bxa8
- 2.Rf5#
- 1...fxe6
- 2.Sg6#
- 1...d5
- 2.Qb8#
- 1...Bh1
- 2.Sd3#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Bg2
- 2.Sd3#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Be4
- 2.Bg3#
- 2.Bf6#
- 2.Qxe4#
- 1...Bg4
- 2.Sd3#
- 2.Bg3#
- 2.Bf6#
- 2.Qe4#
- 1...Bd5
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 1...Bh5
- 2.Sd3#
- 2.Bg3#
- 2.Bf6#
- 2.Rf5#
- 2.Qe4#
- 1...Bc6
- 2.Rf5#
- 1...Bb7
- 2.Rf5#
- 1...f5
- 2.Sd3#
- 1...f6
- 2.Bg3#
- 1...Kf4
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- P(h);N_GUARD,XP(J)::S(K)
- P(h);N_GUARD::S(K)
- Tries
- Try
- B(H);
- Threat
- S(K)
- Refutation
- P(g);N_SPINP(e)
- Try
- R(E);XB(c)
- Threat
- DUALS(4)
- Vars
- P(g);N_SPINP(e)::B(H)
- Refutation
- S(a);CHECK,XR(E)
- Try
- Q(D);
- Threat
- DUALS(2)
- Refutation
- P(g);N_SPINP(e)
- Try
- Q(D);CHECK,N_PINP(e)
- Refutation
- K(f);P-FLIGHT,P_SPINP(e),XQ(D)
- Try
- Q(D);
- Threat
- QAB1(D)
- Refutation
- P(g);N_SPINP(e)
- Try
- Actual
- Q(D);
- Vars
- K(f);N_SPINP(e),P_SPINB(c),S_FLIGHT::QAR1(D)
- B(c);OGATE,XQ(D)::R1(E)
- P(h);N_GUARD,SBLOCK,XP(J)::S(K)
- P(g);N_SPINP(e),OGATEB,SBLOCK::QAB(D)
- B(c);OGATE::R1(E)
- P(h);SBLOCK::S(B)
- P(h);SBLOCK::B(H)
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).