MESON Chess Problem Database
Problem Display
PID: 190221 (3QK3/2N5/4p3/2p1kp2/Rn3b1R/2p1n3/p2N2B1/q5B1 w - - 0 1)
McAllister, George W
2nd Prize, Good Companions, 1913-12
#2
8 + 10
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Sf3#
- 1...Bg3
- 2.Sf3#
- 1...Bg5
- 2.Sf3#
- 1...Bh6
- 2.Sf3#
- 1...Sd1
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 1...Sec2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sed5
- 2.Sc4#
- 1...Sbc2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sbd5
- 2.Sf3#
- 1...Sa6
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Bh2
- Tries
- 1.Bxe3?
- threat
- 2.Sc4#
- 2.Bxf4#
- 1...Bxe3
- 2.Sf3#
- 2.Sc4#
- 1...cxd2
- 2.Bxf4#
- 1...Bh2
- 2.Sf3#
- 2.Sc4#
- 1...Bg3
- 2.Sf3#
- 2.Sc4#
- 1...Bg5
- 2.Sf3#
- 2.Sc4#
- 1...Bh6
- 2.Sf3#
- 2.Sc4#
- 1...Sd3
- 2.Sf3#
- 2.Sc4#
- 1...Sd5
- 2.Sf3#
- 2.Sc4#
- 1...c4
- 2.Sxc4#
- 2.Bd4#
- 2.Bxf4#
- 2.Qd4#
- 1...Qf1!
- threat
- 1.Qf6+?
- 1...Kd6
- 2.Sb5#
- 1...Kxf6!
- 1...Kd6
- 1.Bxe3?
- Keys
- 1.Kd7!
- threat
- 2.Qh8#
- 1...Kd4
- 2.Kxe6#
- 1...Bg5
- 2.Sf3#
- 1...Bh6
- 2.Sf3#
- 1...Sg4
- 2.Sc4#
- 1...Sed5
- 2.Sc4#
- 1...Sbd5
- 2.Sf3#
- threat
- 1.Kd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- B(f);::S(B)
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- S(e);::S(B)
- Tries
- Try
- B(A);XS(d)
- Threat
- DUALS(2)
- Vars
- P(c);XS(B)::B(A),XB(f)
- Refutation
- Q(a);
- Try
- Q(G);CHECK
- Vars
- K(h);P_SPINP(j),S_FLIGHT::S(F)
- Refutation
- K(h);S_FLIGHT,XQ(G)
- Try
- Actual
- K(H);S_FLIGHT
- Threat
- QAB(G)
- Vars
- K(h);P_SPINB(f),P_SPINS(d),S_FLIGHT::QAR(G)+K(H),XP(j)
- B(f);::S(B)
- S(d);N_GUARD::S(B)
- S(e);::S(B)
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).