MESON Chess Problem Database
Problem Display
PID: 189643 (4BK2/1p5p/7k/2p1B3/2n3p1/4bN2/Rq5p/3Q4 w - - 0 1)
Lane, Kurt
3rd HM., Magyar Sakkujsag, 1911
#2
6 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Rxh2#
- 1...Qc1
- 2.Bg7#
- 2.Rxh2#
- 1...Qa3
- 2.Bg7#
- 2.Rxh2#
- 1...Qc3
- 2.Rxh2#
- 1...Qd4
- 2.Rxh2#
- 1...Qb1
- 2.Bg7#
- 2.Rxh2#
- 1...Qxa2
- 2.Bg7#
- 1...Qc2
- 2.Bg7#
- 1...Qd2
- 2.Bg7#
- 1...Qe2
- 2.Bg7#
- 1...Qf2
- 2.Bg7#
- 1...Qg2
- 2.Bg7#
- 1...Qb3
- 2.Bg7#
- 2.Rxh2#
- 1...Qb4
- 2.Bg7#
- 2.Rxh2#
- 1...Qb5
- 2.Bg7#
- 2.Rxh2#
- 1...Qb6
- 2.Bg7#
- 2.Rxh2#
- 1...Bg1
- 2.Bf4#
- 1...Bf2
- 2.Bf4#
- 1...Bd4
- 2.Bf4#
- 1...Bf4
- 2.Bxf4#
- 1...Sa3
- 2.Qd6#
- 1...Sa5
- 2.Qd6#
- 1...Sb6
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Qa1
- Tries
- 1.Rxb2?
- threat
- 2.Bg7#
- 2.Rxh2#
- 1...Sxb2
- 2.Bg7#
- 2.Qd6#
- 1...Sxe5
- 2.Rxh2#
- 1...h1Q
- 2.Bg7#
- 2.Qxh1#
- 1...h1S
- 2.Bg7#
- 2.Rh2#
- 2.Qxh1#
- 1...h1B
- 2.Bg7#
- 2.Rh2#
- 2.Qxh1#
- 1...h1R
- 2.Bg7#
- 2.Qxh1#
- 1...Bg1
- 2.Bf4#
- 2.Bg7#
- 1...Bd2
- 2.Bg7#
- 1...Bf2
- 2.Bf4#
- 2.Bg7#
- 1...Bd4
- 2.Bf4#
- 2.Rxh2#
- 1...Bf4
- 2.Bxf4#
- 2.Bg7#
- 1...Bg5
- 2.Bg7#
- 1...Sd2
- 2.Bg7#
- 2.Rb6#
- 1...g3
- 2.Bg7#
- 1...gxf3!
- threat
- 1.Qd7?
- threat
- 2.Qe6#
- 2.Qg7#
- 1...Sxe5
- 2.Qg7#
- 1...gxf3
- 2.Qg7#
- 1...Qb1
- 2.Bg7#
- 2.Rxh2#
- 2.Qg7#
- 1...Qc2
- 2.Bg7#
- 2.Qg7#
- 1...Qb6
- 2.Bg7#
- 2.Rxh2#
- 2.Qg7#
- 1...Bg5
- 2.Qg7#
- 1...Qxe5!
- threat
- 1.Qd8?
- threat
- 2.Qh4#
- 2.Qf6#
- 1...Sxe5
- 2.Qh4#
- 1...h1Q
- 2.Qf6#
- 1...h1R
- 2.Qf6#
- 1...Qb1
- 2.Bg7#
- 2.Rxh2#
- 2.Qh4#
- 1...Qc2
- 2.Bg7#
- 2.Qh4#
- 1...Qf2
- 2.Bg7#
- 2.Qf6#
- 1...Qb6
- 2.Bg7#
- 2.Rxh2#
- 2.Qh4#
- 1...Bf2
- 2.Bf4#
- 2.Qg5#
- 2.Qf6#
- 1...Bg5
- 2.Qxg5#
- 1...Qxe5!
- threat
- 1.Rxb2?
- Keys
- 1.Qd4!
- threat
- 2.Bg7#
- 1...Qxd4
- 2.Rxh2#
- 1...Bxd4
- 2.Bf4#
- 1...Sxe5
- 2.Qxe3#
- 1...gxf3
- 2.Qh4#
- threat
- 1.Qd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 15
- Sets
- Q(a);OGATE::R(B),XP(b)
- Q(a);N_GUARD,XR(B)::B(D)
- Q(a);N_GUARD::B(D)
- Q(a);N_GUARD,P_PINS(C)::B(D)
- B(c);N_GUARD::B(D)
- B(c);N_GUARD::B(D),XB(c)
- S(d);N_GUARD::QAR(A)
- S(d);N_GUARD::QAR(A),XS(d)
- Tries
- Try
- R(B);XQ(a)
- Threat
- DUALS(2)
- Vars
- S(d);XB(D)::R(B),XP(b)
- B(c);::B(D)
- P(e);::B(D)
- Refutation
- P(e);XS(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(d);XB(D)::QAB1(A)
- P(e);XS(C)::QAB1(A)
- B(c);::QAB1(A)
- Refutation
- Q(a);XB(D)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(d);XB(D)::QAR2(A)
- P(b);::QAR2(A)
- B(c);N_GUARD::QAB1(A),XB(c)
- Refutation
- Q(a);XB(D)
- Try
- Actual
- Q(A);
- Threat
- B(D)
- Vars
- Q(a);OGATE,XQ(A)::R(B),XP(b)
- B(c);N_GUARD,XQ(A)::B(D)
- S(d);N_GUARD,XB(D)::QAB(A),XB(c)
- P(e);OGATE,XS(C)::QAR2(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).