MESON Chess Problem Database
Problem Display
PID: 184882 (2K1k1N1/2P3P1/3pB2p/7b/1nNr4/8/6Q1/8 w - - 0 1)
Barry, Henry William
American Chess Bulletin, 1908
#2
7 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Sxd6#
- 1...Rf4
- 2.Sxd6#
- 1...Rg4
- 2.Sxd6#
- 1...Rh4
- 2.Sxd6#
- 1...Bd1
- 2.Qg6#
- 1...Be2
- 2.Qg6#
- 1...Bf3
- 2.Qg6#
- 1...Bg6
- 2.Qxg6#
- 1...Bf7
- 2.Bd7#
- 1...Sa2
- 2.Qc6#
- 1...Sc2
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sd5
- 2.Sxd6#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...d5
- 2.Sd6#
- 1...Re4
- Tries
- 1.Qf1?
- threat
- 2.Bd7#
- 2.Qf8#
- 1...Rf4
- 2.Sxd6#
- 1...Bg4
- 2.Qf7#
- 2.Qf8#
- 1...Bf7
- 2.Bd7#
- 2.Bxf7#
- 2.Qxf7#
- 1...Bf3!
- threat
- 1.Qf3?
- threat
- 2.Bd7#
- 2.Qxh5#
- 2.Qf8#
- 1...Rf4
- 2.Sxd6#
- 1...Rg4
- 2.Sxd6#
- 2.Bd7#
- 2.Qf8#
- 1...Rh4
- 2.Sxd6#
- 2.Bd7#
- 2.Qf8#
- 1...Rd5
- 2.Bd7#
- 2.Qf8#
- 1...Bg4
- 2.Qf7#
- 2.Qf8#
- 1...Bg6
- 2.Bd7#
- 2.Qf8#
- 1...Bf7
- 2.Bd7#
- 2.Bxf7#
- 2.Qxf7#
- 1...Bxf3!
- threat
- 1.Qd5?
- threat
- 2.Sxd6#
- 2.Bd7#
- 2.Qxh5#
- 1...Rxc4
- 2.Bd7#
- 2.Qxh5#
- 1...Sxd5
- 2.Sxd6#
- 1...Rf4
- 2.Sxd6#
- 2.Bd7#
- 1...Rg4
- 2.Sxd6#
- 2.Bd7#
- 1...Rh4
- 2.Sxd6#
- 2.Bd7#
- 1...Bd1
- 2.Sxd6#
- 2.Bd7#
- 2.Bf7#
- 1...Be2
- 2.Sxd6#
- 2.Bd7#
- 2.Bf7#
- 1...Bf3
- 2.Sxd6#
- 2.Bd7#
- 2.Bf7#
- 1...Bg4
- 2.Sxd6#
- 1...Bg6
- 2.Sxd6#
- 2.Bd7#
- 1...Bf7
- 2.Sxd6#
- 2.Bd7#
- 2.Bxf7#
- 1...Rxd5!
- threat
- 1.Qa8?
- threat
- 2.Kb7#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Bf3!
- threat
- 1.Qf2?
- threat
- 2.Bd7#
- 2.Qf8#
- 1...Rf4
- 2.Sxd6#
- 1...Bg4
- 2.Qf7#
- 2.Qf8#
- 1...Bf7
- 2.Bd7#
- 2.Bxf7#
- 2.Qxf7#
- 1...Bf3!
- threat
- 1.Qg5?
- threat
- 2.Qe7#
- 2.Qd8#
- 2.Qxh5#
- 1...Rf4
- 2.Sxd6#
- 2.Qe7#
- 2.Qd8#
- 1...Rg4
- 2.Sxd6#
- 2.Qe7#
- 2.Qd8#
- 1...Rh4
- 2.Sxd6#
- 2.Qe7#
- 2.Qd8#
- 1...Rd5
- 2.Qe7#
- 2.Qd8#
- 1...Bd1
- 2.Qe7#
- 2.Qd8#
- 2.Qg6#
- 1...Be2
- 2.Qe7#
- 2.Qd8#
- 2.Qg6#
- 1...Bf3
- 2.Qe7#
- 2.Qd8#
- 2.Qg6#
- 1...Bg4
- 2.Qe7#
- 2.Qd8#
- 2.Qg6#
- 1...Bg6
- 2.Qe7#
- 2.Qd8#
- 2.Qxg6#
- 1...Bf7
- 2.Bd7#
- 2.Qe7#
- 2.Qd8#
- 1...Sd5
- 2.Sxd6#
- 2.Qd8#
- 2.Qxh5#
- 1...Sc6
- 2.Qxh5#
- 1...hxg5!
- threat
- 1.Qf1?
- Keys
- 1.Qe4!
- 1...Rxc4
- 2.Bxc4#
- 1...Rxe4
- 2.Sxd6#
- 1...Rd1
- 2.Bd5#
- 1...Rd2
- 2.Bd5#
- 1...Rd3
- 2.Bd5#
- 1...Rd5
- 2.Bxd5#
- 1...Bd1
- 2.Qg6#
- 1...Be2
- 2.Qg6#
- 1...Bf3
- 2.Qg6#
- 1...Bg4
- 2.Qg6#
- 1...Bg6
- 2.Qxg6#
- 1...Bf7
- 2.Bd7#
- 1...Sa2
- 2.Qc6#
- 1...Sc2
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sd5
- 2.Sxd6#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...d5
- 2.Sd6#
- 1...Rxc4
- 1.Qe4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 3
- Sets
- R(b);N_GUARD::S(B),XP(d)
- B(c);N_GUARD::QAB(A)
- B(c);N_GUARD::QAB(A),XB(c)
- B(c);SBLOCK::B(C)
- S(a);N_GUARD::QAB(A)
- S(a);S_CUTR(b)::S(B),XP(d)
- S(a);N_GUARD::QAB(A),XS(a)
- P(d);S_CUTR(b)::S(B)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::S(B),XP(d)
- Refutation
- B(c);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD::S(B),XP(d)
- Refutation
- B(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(a);XQ(A)::S(B),XP(d)
- B(c);P_PINB(C)::S(B),XP(d)
- Refutation
- R(b);XQ(A)
- Try
- Q(A);
- Threat
- QAR(A)+K(F)
- Vars
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD::QAB(A),XS(a)
- Refutation
- B(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::S(B),XP(d)
- Refutation
- B(c);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(a);::QAB(A),XB(c)
- Refutation
- P(e);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- R(b);OGATE,P_PINP(D),XS(B)::QAR(A)+B(C),XR(b)
- R(b);N_GUARD,XQ(A)::S(B),XP(d)
- R(b);N_GUARD::QAR(A)+B(C)
- R(b);N_GUARD::QAR(A)+B(C),XR(b)
- B(c);N_GUARD::QAB(A)
- B(c);N_GUARD,P_PINB(C)::QAB(A)
- B(c);N_GUARD::QAB(A),XB(c)
- B(c);SBLOCK::QAR(A)+B(C),DCHECK
- S(a);N_GUARD::QAB(A)
- S(a);S_CUTR(b)::S(B),XP(d)
- S(a);N_GUARD::QAB(A),XS(a)
- P(d);S_CUTR(b)::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).