MESON Chess Problem Database
Problem Display
PID: 189831 (8/8/4Kp2/Np6/3k3B/6p1/1n6/2N1Q3 w - - 0 1)
Lissner, Morris
Magyar Sakkujsag, 1912
#2
5 + 5
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Scb3#
- 1...Sc4
- 2.Sab3#
- 1...g2
- 2.Bf2#
- 1...f5
- 2.Qe5#
- 1...Sd3
- Tries
- 1.Kd6?
- threat
- 2.Bxf6#
- 1...Sd3
- 2.Scb3#
- 1...f5
- 2.Bf6#
- 2.Qe5#
- 1...Sc4+!
- threat
- 1.Sc6+?
- 1...Kc4
- 2.Qb4#
- 1...Kc5!
- 1...Kc4
- 1.Bxg3?
- threat
- 2.Bf2#
- 1...Kc5
- 2.Bf2#
- 1...Sd3
- 2.Scb3#
- 1...Sc4
- 2.Sab3#
- 1...Sd1!
- threat
- 1.Kd6?
- Keys
- 1.Bg5!
- threat
- 2.Qe3#
- 1...Kc5
- 2.Be3#
- 1...fxg5
- 2.Qe5#
- 1...Sd1
- 2.Qb4#
- 1...Sd3
- 2.Scb3#
- 1...Sc4
- 2.Sab3#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- S(a);SBLOCK::S(A)
- S(a);SBLOCK::S(D)
- P(b);OGATE::B(C)
- P(e);N_GUARD::QAB1(B)
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- B(C),XP(e)
- Vars
- S(a);SBLOCK::S(A)
- Refutation
- S(a);CHECK
- Try
- S(D);CHECK
- Vars
- K(c);P-FLIGHT::QAR1(B)
- Refutation
- K(c);S_FLIGHT
- Try
- B(C);XP(b)
- Threat
- B(C)
- Vars
- K(c);S_FLIGHT::B(C)
- S(a);SBLOCK::S(A)
- S(a);SBLOCK::S(D)
- Refutation
- S(a);
- Try
- Actual
- B(C);
- Threat
- QAB1(B)
- Vars
- K(c);S_FLIGHT::B(C)
- P(e);N_GUARD,XB(C)::QAB1(B)
- S(a);N_GUARD::QAR2(B)
- S(a);SBLOCK::S(A)
- S(a);SBLOCK::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).