MESON Chess Problem Database
Problem Display
PID: 21402 (kbN5/1p6/pQ6/7K/2N5/7p/8/7r w - - 0 1)
Larsen, Peder Andreas
Skakbladet, 1918
#2
4 + 6
| 5454 | Near Snap | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Qa7#
- 1...Bg3
- 2.Qa7#
- 1...Bf4
- 2.Qa7#
- 1...Be5
- 2.Qa7#
- 1...Bd6
- 2.Qa7#
- 1...Ba7
- 2.Qxa7#
- 1...Bc7
- 2.Qa7#
- 1...Bh2
- Tries
- 1.S4d6?
- threat
- 2.Qxb7#
- 1...Bxd6
- 2.Qa7#
- 1...Rb1!
- threat
- 1.Qf2?
- threat
- 2.S4b6#
- 1...Bh2
- 2.Qa7#
- 1...Bg3
- 2.Qa7#
- 1...Bf4
- 2.Qa7#
- 1...Be5
- 2.Qa7#
- 1...Bd6
- 2.Qa7#
- 1...Ba7
- 2.Qxa7#
- 1...Bc7
- 2.Qa7#
- 1...b5
- 2.Qf3#
- 1...b6
- 2.Qf3#
- 1...Rb1!
- threat
- 1.Qe3?
- threat
- 2.S4b6#
- 1...Bh2
- 2.Qa7#
- 1...Bg3
- 2.Qa7#
- 1...Bf4
- 2.Qa7#
- 1...Be5
- 2.Qa7#
- 1...Bd6
- 2.Qa7#
- 1...Ba7
- 2.Qxa7#
- 1...Bc7
- 2.Qa7#
- 1...b5
- 2.Qf3#
- 2.Qe4#
- 1...b6
- 2.Qf3#
- 2.Qe4#
- 1...Rb1!
- threat
- 1.Qd4?
- threat
- 2.S4b6#
- 1...Bh2
- 2.Qa7#
- 1...Bg3
- 2.Qa7#
- 1...Bf4
- 2.Qa7#
- 1...Be5
- 2.Qa7#
- 1...Bd6
- 2.Qa7#
- 1...Ba7
- 2.Qxa7#
- 1...Bc7
- 2.Qa7#
- 1...b5
- 2.Qe4#
- 2.Qd5#
- 1...b6
- 2.Qe4#
- 2.Qd5#
- 1...Rb1!
- threat
- 1.Qc5?
- threat
- 2.S4b6#
- 1...Bh2
- 2.Qa7#
- 1...Bg3
- 2.Qa7#
- 1...Bf4
- 2.Qa7#
- 1...Be5
- 2.Qa7#
- 1...Bd6
- 2.Qa7#
- 1...Ba7
- 2.Qxa7#
- 1...Bc7
- 2.Qa7#
- 1...b5
- 2.Qd5#
- 2.Qc6#
- 1...b6
- 2.Qd5#
- 2.Qc6#
- 1...Rb1!
- threat
- 1.Qxa6+?
- 1...Ba7
- 2.Qxa7#
- 1...bxa6!
- 1...Ba7
- 1.S4d6?
- Keys
- 1.Qg1!
- threat
- 2.S4b6#
- 1...Bh2
- 2.Qa7#
- 1...Bg3
- 2.Qa7#
- 1...Bf4
- 2.Qa7#
- 1...Be5
- 2.Qa7#
- 1...Bd6
- 2.Qa7#
- 1...Ba7
- 2.Qxa7#
- 1...Bc7
- 2.Qa7#
- 1...b5
- 2.Qxh1#
- 1...b6
- 2.Qxh1#
- threat
- 1.Qg1!
This anticipates 138167(1964)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- Tries
- Try
- S(A);
- Threat
- QAB1(C),XP(d)
- Vars
- B(f);N_GUARD,XS(A)::QAR1(C)
- Refutation
- R(a);
- Try
- Q(C);
- Threat
- S(A)
- Vars
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- P(d);OGATEB::QAB(C)
- Refutation
- R(a);
- Try
- Q(C);
- Threat
- S(A)
- Vars
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- Refutation
- R(a);
- Try
- Q(C);
- Threat
- S(A)
- Vars
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- Refutation
- R(a);
- Try
- Q(C);
- Threat
- S(A)
- Vars
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- Refutation
- R(a);
- Try
- Q(C);CHECK,XP(c)
- Vars
- B(f);N_GUARD,P_SPINB(f)::QAR1(C),XB(f)
- Refutation
- P(d);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- S(A)
- Vars
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- P(d);OGATEB::QAB(C),XR(a)
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).