MESON Chess Problem Database
Problem Display
PID: 172091 (8/Nb6/2N5/3p3r/k1p4R/pr4bq/1n3Q2/K2B4 w - - 0 1)
Apro, Laszlo
Schakend Nederland, 1972
#2
6 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Tries
- 1.Qc5?
- threat
- 2.Qb4#
- 2.Qa5#
- 2.Qb5#
- 1...Sxd1
- 2.Qa5#
- 1...Be1
- 2.Qb5#
- 1...Bd6
- 2.Qa5#
- 2.Qb5#
- 1...Bc7
- 2.Qb4#
- 2.Qb5#
- 1...Ba6
- 2.Qb4#
- 2.Qa5#
- 1...Sd3
- 2.Qa5#
- 2.Qb5#
- 1...a2
- 2.Qb4#
- 2.Qa5#
- 1...d4
- 2.Qb4#
- 1...Bxc6!
- threat
- 1.Qc5?
- Keys
- 1.Qb6!
- threat
- 2.Bxb3#
- 2.Qa5#
- 2.Qxb3#
- 2.Qb4#
- 2.Qb5#
- 1...Qxh4
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Rxh4
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Bxh4
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Bxc6
- 2.Bxb3#
- 1...Sxd1
- 2.Qa5#
- 1...a2
- 2.Qa5#
- 2.Qxb3#
- 2.Qb4#
- 1...Qf1
- 2.Qa5#
- 2.Qxb3#
- 2.Qb4#
- 2.Qb5#
- 1...Qg4
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Qh1
- 2.Qa5#
- 2.Qxb3#
- 2.Qb4#
- 2.Qb5#
- 1...Be1
- 2.Qb5#
- 1...Bf2
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Bh2
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Bf4
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Be5
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Bd6
- 2.Qa5#
- 2.Qb5#
- 1...Bc7
- 2.Qb4#
- 2.Qb5#
- 1...Bb8
- 2.Qa5#
- 2.Qb4#
- 2.Qb5#
- 1...Ba6
- 2.Bxb3#
- 2.Qa5#
- 2.Qxb3#
- 2.Qb4#
- 2.Qxa6#
- 1...Sd3
- 2.Bxb3#
- 2.Qa5#
- 2.Qxb3#
- 2.Qb5#
- 1...d4
- 2.Qb4#
- threat
- 1.Qb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- S(a);N_SPINR(c),XB(B)::QAR1(C)
- B(d);::QAB1(C)
- P(h);N_SPINP(g)::QAR1(C)
- Refutation
- B(j);XS(E)
- Try
- Actual
- Q(C);
- Threat
- DUALS(5)
- Vars
- B(j);XS(E)::B(B),XR(c)
- S(a);N_SPINR(c),XB(B)::QAR1(C)
- B(d);::QAB1(C)
- P(h);N_SPINP(g)::QAR1(C)
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).