MESON Chess Problem Database
Problem Display
PID: 136250 (1N6/2r1P3/4k2p/3Np2B/Q5P1/B7/2p5/2K5 w - - 0 1)
Bolus, Andrew
American Chess Bulletin, 1910
#2
8 + 5
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Bf7#
- 1...Rc3
- 2.Qd7#
- 1...Rc4
- 2.Qd7#
- 1...Rc5
- 2.Qd7#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Rb7
- 2.Qc6#
- 1...Rd7
- 2.Qxd7#
- 1...Rxe7
- 2.Qc6#
- 1...Rc8
- 2.Qd7#
- 1...e4
- 2.Qxe4#
- 1...Kxd5
- Tries
- 1.Bc5?
- 1...Rxc5
- 2.Qd7#
- 1...Rxe7
- 2.Qc6#
- 1...e4
- 2.Qxe4#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Rb7
- 2.Qc6#
- 1...Rd7
- 2.Qxd7#
- 1...Rc8
- 2.Qd7#
- 1...Kxd5!
- 1...Rxc5
- 1.Bg6?
- 1...Kxd5
- 2.Bf7#
- 1...Rxe7
- 2.Qc6#
- 1...Rc5
- 2.Qd7#
- 1...e4
- 2.Qxe4#
- 1...Rc3
- 2.Qd7#
- 1...Rc4
- 2.Qd7#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Rb7
- 2.Qc6#
- 1...Rd7
- 2.Qxd7#
- 1...Rc8
- 2.Qd7#
- 1...h5!
- 1...Kxd5
- 1.Be8?
- 1...Kxd5
- 2.Bf7#
- 1...Rxe7
- 2.Qc6#
- 1...Rc5
- 2.Qd7#
- 1...e4
- 2.Qxe4#
- 1...Rc3
- 2.Qd7#
- 1...Rc4
- 2.Qd7#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Rb7
- 2.Qc6#
- 1...Rd7
- 2.Qxd7#
- 1...Rc8
- 2.Qd7#
- 1...h5!
- 1...Kxd5
- 1.Qb5?
- 1...Rxe7
- 2.Qc6#
- 1...Rc5
- 2.Qd7#
- 1...Rc3
- 2.Qd7#
- 2.e8Q#
- 2.e8R#
- 1...Rc4
- 2.Qd7#
- 2.e8Q#
- 2.e8R#
- 1...Rc6
- 2.Qxc6#
- 2.e8Q#
- 2.e8R#
- 1...Ra7
- 2.Qc6#
- 1...Rb7
- 2.Qc6#
- 1...Rd7
- 2.Qxd7#
- 1...Rc8
- 2.Qd7#
- 1...e4!
- 1...Rxe7
- 1.Qa6+?
- 1...Rc6
- 2.Qxc6#
- 1...Kxd5!
- 1...Rc6
- 1.e8Q+?
- 1...Re7
- 2.Bf7#
- 2.Qac6#
- 2.Qad7#
- 2.Qec6#
- 1...Kxd5!
- 1...Re7
- 1.e8B?
- 1...Rc5
- 2.Qd7#
- 1...e4
- 2.Qxe4#
- 1...Rc3
- 2.Bhf7#
- 2.Bef7#
- 2.Qd7#
- 1...Rc4
- 2.Bhf7#
- 2.Bef7#
- 2.Qd7#
- 1...Rc6
- 2.Bhf7#
- 2.Bef7#
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Rb7
- 2.Qc6#
- 1...Rd7
- 2.Qxd7#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Bhxf7#
- 2.Bexf7#
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rh7
- 2.Qc6#
- 1...Rc8
- 2.Bhf7#
- 2.Bef7#
- 2.Qd7#
- 1...Kxd5!
- 1...Rc5
- 1.e8R+?
- 1...Re7
- 2.Qc6#
- 2.Qd7#
- 1...Kxd5!
- 1...Re7
- 1.Bc5?
- Keys
- 1.e8S!
- threat
- 2.Sdxc7#
- 2.Sexc7#
- 1...Kxd5
- 2.Sxc7#
- 1...e4
- 2.Qxe4#
- 1...Rc3
- 2.Qd7#
- 1...Rc4
- 2.Qd7#
- 1...Rc5
- 2.Qd7#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Rb7
- 2.Qc6#
- 1...Rd7
- 2.Qxd7#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rh7
- 2.Qc6#
- 1...Rc8
- 2.Qd7#
- threat
- 1.e8S!
This is a version of 30136
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT,XS(E)::B(F)
- R(e);N_GUARD::QAB1(C)
- R(e);N_GUARD::QAR2(C),XR(e)
- R(e);N_GUARD::QAR2(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- R(e);N_GUARD,XP(G)::QAR2(C)
- P(b);OGATEB::QAR2(C),XP(b)
- Tries
- Try
- B(B);
- Vars
- R(e);N_GUARD,XB(B)::QAB1(C)
- R(e);N_GUARD,XP(G)::QAR2(C)
- P(b);OGATEB::QAR2(C),XP(b)
- R(e);N_GUARD::QAR2(C),XR(e)
- R(e);N_GUARD::QAR2(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- R(e);N_GUARD::QAB1(C)
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- B(F);
- Vars
- K(c);S_FLIGHT,XS(E)::B(F)
- R(e);N_GUARD,XP(G)::QAR2(C)
- R(e);N_GUARD::QAB1(C)
- P(b);OGATEB::QAR2(C),XP(b)
- R(e);N_GUARD::QAR2(C),XR(e)
- R(e);N_GUARD::QAR2(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Refutation
- P(d);
- Try
- B(F);
- Vars
- K(c);S_FLIGHT,XS(E)::B(F)
- R(e);N_GUARD,XP(G)::QAR2(C)
- R(e);N_GUARD::QAB1(C)
- P(b);OGATEB::QAR2(C),XP(b)
- R(e);N_GUARD::QAR2(C),XR(e)
- R(e);N_GUARD::QAR2(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- R(e);N_GUARD,XP(G)::QAR2(C)
- R(e);N_GUARD::QAB1(C)
- R(e);N_GUARD::QAR2(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Refutation
- P(b);
- Try
- Q(C);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAR2(C),XR(e)
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- P(G);CHECK
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- P(G);
- Vars
- R(e);N_GUARD::QAB1(C)
- P(b);OGATEB::QAR2(C),XP(b)
- R(e);N_GUARD::QAR2(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- P(G);CHECK
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- Actual
- P(G);
- Threat
- DUALS(2)
- Vars
- K(c);S_FLIGHT,XS(E)::S(G),XR(e)
- P(b);OGATEB::QAR2(C),XP(b)
- R(e);N_GUARD::QAB1(C)
- R(e);N_GUARD::QAR2(C),XR(e)
- R(e);N_GUARD::QAR2(C)
- R(e);N_GUARD::QAB1(C),XR(e)
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).