MESON Chess Problem Database
Problem Display
PID: 149890 (1B6/1P1kp1N1/3rN3/1K2p3/Bpn4r/p1p5/1q1Q2p1/3R2b1 w - - 0 1)
Buchner, Rudolf
5th Prize, Nepszava, 1937
#2
8 + 12
| 133 | The Problemist Supplement | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Kxb4#
- 1...Qc1
- 2.Kxb4#
- 1...Qa2
- 2.Kxb4#
- 1...Rh1
- 2.Kxc4#
- 1...Rh2
- 2.Kxc4#
- 1...Rh3
- 2.Kxc4#
- 1...Rh5
- 2.Kxc4#
- 1...Rh6
- 2.Kxc4#
- 1...Rh7
- 2.Kxc4#
- 1...Rh8
- 2.Kxc4#
- 1...Rxd2
- 2.Ka6#
- 1...Rd3
- 2.Ka6#
- 1...Rd4
- 2.Kc5#
- 2.Ka6#
- 1...Rd5+
- 2.Ka6#
- 1...Bh2
- 2.Kc5#
- 1...Bc5
- 2.Kxc5#
- 1...Bb6
- 2.Ka6#
- 1...Se3
- 2.Ka5#
- 2.Kc5#
- 1...Sa5
- 2.Kxa5#
- 1...b3
- 2.Kb4#
- 1...e4
- 2.Kxc4#
- 1...Qa1
- Tries
- 1.Qxd6+?
- 1...Sxd6+
- 2.Ka5#
- 2.Ka6#
- 1...exd6!
- 1...Sxd6+
- 1.Qxd6+?
- Keys
- 1.Qd5!
- threat
- 2.Qc6#
- 1...Rxd5+
- 2.Ka6#
- 1...Qd2
- 2.Kxb4#
- 1...Rd4
- 2.Kc5#
- 1...Bd4
- 2.Kxc4#
- 1...Sd2
- 2.Ka5#
- 1...Sa5
- 2.Kxa5#
- threat
- 1.Qd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 17
- Sets
- Q(b);::B(C)+K(D),XP(f)
- R(h);::B(C)+K(D),XS(g)
- R(j);XQ(B)::B(C)+K(D)
- R(j);::B(C)+K(D)
- R(j);CHECK::B(C)+K(D)
- B(a);::B(C)+K(D)
- B(a);::B(C)+K(D),XB(a)
- S(g);::B(C)+K(D),XS(g)
- P(f);::B(C)+K(D)
- P(i);::B(C)+K(D),XS(g)
- Tries
- Try
- Q(B);CHECK,XR(j)
- Refutation
- P(l);P_SPINP(l),XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAB1(B)
- Vars
- R(j);CHECK,XQ(B)::B(C)+K(D)
- Q(b);::B(C)+K(D),XP(f)
- R(h);::B(C)+K(D)
- B(a);::B(C)+K(D),XS(g)
- S(g);::B(C)+K(D)
- S(g);::B(C)+K(D),XS(g)
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).