MESON Chess Problem Database
Problem Display
PID: 112959 (2N2B2/2p5/4R3/p4K2/b1Pk4/PpR5/1P3n1p/N6B w - - 0 1)
Bettmann, Edgar
Bettmann, Henry Wald
Bettmann, Jacob
Toronto Globe, 1882
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd1
- 2.Re4#
- 1...Sxh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...c5
- 2.Bg7#
- 2.Rd6#
- 1...Bb5
- Tries
- 1.Sa7?
- 1...Sxh1
- 2.Re4#
- 1...Bb5
- 2.Sxb3#
- 2.Sxb5#
- 1...Bc6
- 2.Sxb3#
- 2.Sxc6#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...c5
- 2.Bg7#
- 2.Rd6#
- 1...c6!
- 1...Sxh1
- 1.Bb4?
- 1...Sxh1
- 2.Re4#
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...c5
- 2.Rd6#
- 1...c6
- 2.Rd6#
- 1...axb4!
- 1...Sxh1
- 1.Be7?
- 1...Sxh1
- 2.Re4#
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...c5
- 2.Bf6#
- 2.Rd6#
- 1...c6!
- 1...Sxh1
- 1.Re5?
- threat
- 2.Bc5#
- 2.Rd5#
- 1...c6
- 2.Bc5#
- 1...Bc6
- 2.Sxb3#
- 2.Bc5#
- 1...Sd3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 2.Rd5#
- 1...c5
- 2.Bxc5#
- 2.Rd5#
- 1...Bd7+!
- threat
- 1.Rd6+?
- 1...Kc5
- 2.Rd1#
- 2.Rd2#
- 2.Rdd3#
- 2.Rd7#
- 2.Rd8#
- 1...cxd6!
- 1...Kc5
- 1.Re8?
- 1...Bxe8
- 2.Sxb3#
- 1...Sxh1
- 2.Re4#
- 1...c6
- 2.Rd8#
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Sd1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...c5
- 2.Bg7#
- 1...Bd7+!
- 1...Bxe8
- 1.Sa7?
- Keys
- 1.Re7!
- 1...Bd7+
- 2.Rxd7#
- 1...Kc5
- 2.Rd7#
- 1...Sxh1
- 2.Re4#
- 1...c6
- 2.Rd7#
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...c5
- 2.Bg7#
- 1...Bd7+
- 1.Re7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(d);N_GUARD::S(A),XP(c)
- B(d);N_GUARD,P_PINR(H)::S(A),XP(c)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD,XB(B)::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- Tries
- Try
- S(I);
- Vars
- S(a);N_GUARD,XB(B)::R1(H)
- B(d);N_GUARD,P_PINR(H)::S(A),XP(c)
- B(d);N_GUARD::S(A),XP(c)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- Refutation
- P(g);
- Try
- B(J);
- Vars
- S(a);N_GUARD,XB(B)::R1(H)
- B(d);N_GUARD::S(A),XP(c)
- B(d);N_GUARD,P_PINR(H)::S(A),XP(c)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- P(g);N_GUARD::R(H)
- Refutation
- P(f);XB(J)
- Try
- B(J);
- Vars
- S(a);N_GUARD,XB(B)::R1(H)
- B(d);N_GUARD::S(A),XP(c)
- B(d);N_GUARD,P_PINR(H)::S(A),XP(c)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- Refutation
- P(g);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- P(g);::B(J)
- S(a);N_GUARD::R1(H)
- Refutation
- B(d);CHECK
- Try
- R(H);CHECK
- Refutation
- P(g);XR(H)
- Try
- R(H);
- Vars
- B(d);N_GUARD,XR(H)::S(A),XP(c)
- S(a);N_GUARD,XB(B)::R1(H)
- P(g);S_CUTB(d)::R(H)
- B(d);N_GUARD::S(A),XP(c)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- P(g);SBLOCK::B(J)
- Refutation
- B(d);CHECK
- Try
- Actual
- R(H);
- Vars
- B(d);CHECK,N_GUARD::R(H),XB(d)
- K(e);S_FLIGHT::B(J)+R(H)
- S(a);N_GUARD,XB(B)::R1(H)
- P(g);S_CUTB(d)::R(H)
- B(d);N_GUARD::S(A),XP(c)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- P(g);SBLOCK::B(J)
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).