MESON Chess Problem Database
Problem Display
PID: 219042 (rb1N1n1n/Q4B2/3p4/5kPp/R7/3p1N2/4P3/1K2B3 w - - 0 1)
Bettmann, Edgar
Bettmann, Henry Wald
Bettmann, Jacob
St. Louis Globe Democrat, 1881
#2
9 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sfg6
- 2.Be6#
- 2.Qd7#
- 1...Sd7
- 2.Qxd7#
- 1...Sh7
- 2.Qd7#
- 1...Sxf7
- 2.Qxf7#
- 1...Sfg6
- Tries
- 1.Sh4+?
- 1...Ke5
- 2.Sc6#
- 2.Bc3#
- 2.Bg3#
- 2.Qe3#
- 2.Qd4#
- 1...Kxg5!
- 1...Ke5
- 1.Se6?
- threat
- 2.Sg7#
- 2.Rf4#
- 1...Sxf7
- 2.Qxf7#
- 1...Sfg6
- 2.Sg7#
- 1...Shg6
- 2.Sg7#
- 1...d5
- 2.Sg7#
- 1...Sxe6!
- threat
- 1.Bg6+?
- 1...Sfxg6
- 2.Qd7#
- 1...Shxg6
- 2.Qf7#
- 1...Kxg6!
- 1...Sfxg6
- 1.Qe3?
- threat
- 2.Sh4#
- 2.Rf4#
- 2.Qf4#
- 2.Qxd3#
- 2.Qe4#
- 1...Sxf7
- 2.Sh4#
- 2.Qxd3#
- 2.Qe4#
- 1...dxe2
- 2.Sh4#
- 2.Rf4#
- 2.Qf4#
- 2.Qd3#
- 2.Qe4#
- 1...Shg6
- 2.Qxd3#
- 2.Qe4#
- 1...Se6
- 2.Sh4#
- 2.Qxd3#
- 2.Qe4#
- 2.Qxe6#
- 1...Sfg6
- 2.Be6#
- 2.Qxd3#
- 2.Qe4#
- 2.Qe6#
- 1...d2
- 2.Sh4#
- 2.Rf4#
- 2.Qf4#
- 2.Qd3#
- 2.Qe4#
- 1...h4
- 2.Sxh4#
- 2.Rf4#
- 2.Qf4#
- 2.Qxd3#
- 2.Qe4#
- 1...d5
- 2.Sh4#
- 2.Qxd3#
- 1...Rxa4!
- threat
- 1.Qd4?
- threat
- 2.Qf6#
- 2.Qxd3#
- 2.Qe4#
- 2.Qf4#
- 2.Qd5#
- 1...Sxf7
- 2.Qf6#
- 2.Qxd3#
- 2.Qe4#
- 1...dxe2
- 2.Qf6#
- 2.Qd3#
- 2.Qe4#
- 2.Qf4#
- 2.Qd5#
- 1...Shg6
- 2.Qf6#
- 2.Qxd3#
- 2.Qe4#
- 1...Ra5
- 2.Qf6#
- 2.Qxd3#
- 2.Qe4#
- 2.Qf4#
- 1...Se6
- 2.Qf6#
- 2.Qxd3#
- 2.Qe4#
- 2.Qd5#
- 1...Sfg6
- 2.Be6#
- 2.Qf6#
- 2.Qxd3#
- 2.Qe4#
- 1...Sd7
- 2.Qxd3#
- 2.Qe4#
- 2.Qf4#
- 1...Sh7
- 2.Qxd3#
- 2.Qe4#
- 2.Qf4#
- 2.Qd5#
- 1...d2
- 2.Qf6#
- 2.Qd3#
- 2.Qe4#
- 2.Qf4#
- 2.Qd5#
- 1...d5
- 2.Qf6#
- 2.Qxd3#
- 1...Rxa4!
- threat
- 1.Qa6?
- threat
- 2.Qxd3#
- 1...dxe2
- 2.Qd3#
- 1...d2
- 2.Qd3#
- 1...Rxa6!
- threat
- 1.Qd7+?
- 1...Se6
- 2.Qxe6#
- 1...Sxd7!
- 1...Se6
- 1.Qe7?
- threat
- 2.Sh4#
- 2.Qf6#
- 2.Qe4#
- 1...d5
- 2.Sh4#
- 2.Qf6#
- 1...Se6
- 2.Qf6#
- 2.Qxe6#
- 1...Sfg6
- 2.Be6#
- 2.Qf6#
- 2.Qe4#
- 2.Qe6#
- 2.Qd7#
- 1...Sd7
- 2.Sh4#
- 2.Qe4#
- 2.Qe6#
- 2.Qxd7#
- 1...Sh7
- 2.Sh4#
- 2.Qe4#
- 2.Qe6#
- 2.Qd7#
- 1...Shg6
- 2.Qf6#
- 2.Qe4#
- 1...h4
- 2.Sxh4#
- 2.Qf6#
- 2.Qe4#
- 1...Rxa4!
- threat
- 1.Qxa8?
- threat
- 2.Qe4#
- 2.Qd5#
- 1...Sxf7
- 2.Qe4#
- 1...Sfg6
- 2.Be6#
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Shg6
- 2.Qe4#
- 1...d5!
- threat
- 1.Sh4+?
- Keys
- 1.Bc4!
- threat
- 2.Bxd3#
- 1...Ke4
- 2.Be6#
- 1...Kf4
- 2.Bxd3#
- 2.Be6#
- 1...Kg4
- 2.Be6#
- 1...Kg6
- 2.Bxd3#
- 1...dxe2
- 2.Bd3#
- 1...d2
- 2.Bd3#
- threat
- 1.Bc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- S(g);N_GUARD::QAB(G),XS(g)
- S(g);N_GUARD::QAB(G)
- S(h);OGATE,XB(H)::QAR2(G),XS(h)
- Tries
- Try
- S(D);CHECK
- Refutation
- K(b);P-FLIGHT,XP(F)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- S(h);OGATE,XB(H)::QAR2(G),XS(h)
- S(g);::S(I)
- S(h);::S(I)
- P(d);::S(I)
- Refutation
- S(g);XS(I)
- Try
- B(H);CHECK
- Vars
- S(g);SBLOCK,XB(H)::QAB(G)
- S(h);XB(H)::QAR2(G)
- Refutation
- K(b);S_FLIGHT,XB(H)
- Try
- Q(G);
- Threat
- DUALS(5)
- Refutation
- R(e);XR(E)
- Try
- Q(G);
- Threat
- DUALS(5)
- Refutation
- R(e);XR(E)
- Try
- Q(G);
- Threat
- QAB(G),XP(a)
- Vars
- P(a);XP(C)::QAB(G)
- P(a);::QAB(G)
- Refutation
- R(e);XQ(G)
- Try
- Q(G);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAB1(G),XS(g)
- Refutation
- S(g);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Refutation
- R(e);XR(E)
- Try
- Q(G);XR(e)
- Threat
- DUALS(2)
- Vars
- S(h);XB(H)::QAB1(G)
- S(g);::QAB1(G)
- S(h);::QAB1(G)
- Refutation
- P(d);
- Try
- Actual
- B(H);
- Threat
- B(H),XP(a)
- Vars
- K(b);S_FLIGHT::R(E)+B(H)
- K(b);S_FLIGHT::R(E)+B(H),DCHECK
- K(b);S_FLIGHT::B(H),XP(a)
- P(a);XP(C)::B(H)
- P(a);::B(H)
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).