MESON Chess Problem Database
Problem Display
PID: 4655 (2B3n1/1pP3Pp/pK3b1R/p2kpN1N/P2p4/1P4Q1/4P3/8 w - - 0 1)
Bettmann, Edgar
Bettmann, Henry Wald
Bettmann, Jacob
South Australian Chronicle, 1883
#2
11 + 9
| 2638 | White to Play | 1913 |
| 2681 | All Change Here! | 1919 |
| 5064 | 100 Years of the American Two-move Chess Problem | 1962 |
| 5065 | Chess Problem Gems by Eight Eminent American Composers | 1972 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qg2#
- 2.Qf3#
- 1...Bh4
- 2.Bxb7#
- 1...Bg5
- 2.Bxb7#
- 1...Be7
- 2.Bxb7#
- 1...Bxg7
- 2.Bxb7#
- 1...Bd8
- 2.Bxb7#
- 1...Sxh6
- 2.Sxf6#
- 1...Se7
- 2.Sxf6#
- 1...d3
- 2.Qxd3#
- 1...e4
- 2.Qd6#
- 1...Ke4
- Tries
- 1.Sf4+?
- 1...Ke4
- 2.Sd6#
- 2.Qf3#
- 1...exf4!
- 1...Ke4
- 1.Be6+?
- 1...Ke4
- 2.Sd6#
- 2.Qg2#
- 2.Qd3#
- 2.Qf3#
- 2.Qg4#
- 1...Kxe6!
- 1...Ke4
- 1.Rxf6?
- threat
- 2.Bxb7#
- 1...Ke4
- 2.Bxb7#
- 2.Qg2#
- 2.Qf3#
- 1...Sxf6
- 2.Sxf6#
- 1...Se7!
- threat
- 1.Qh2?
- 1...Ke4
- 2.Qh1#
- 2.Qg2#
- 1...Bxg7
- 2.Bxb7#
- 1...Sxh6
- 2.Sxf6#
- 1...Bh4
- 2.Bxb7#
- 1...Bg5
- 2.Bxb7#
- 1...Be7
- 2.Bxb7#
- 1...Bd8
- 2.Bxb7#
- 1...Se7
- 2.Sxf6#
- 1...e4
- 2.Qd6#
- 1...d3!
- 1...Ke4
- 1.Qf4?
- 1...Bxg7
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 1...Sxh6
- 2.Sxf6#
- 1...Bh4
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 1...Bg5
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 1...Be7
- 2.Be6#
- 2.Bxb7#
- 1...Bd8
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Se7
- 2.Sxf6#
- 1...d3
- 2.Qc4#
- 2.e4#
- 1...e4
- 2.Qd6#
- 1...exf4!
- 1...Bxg7
- 1.Qh4?
- 1...Bxh4
- 2.Bxb7#
- 1...Bxg7
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 1...Sxh6
- 2.Sxf6#
- 1...Bg5
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 1...Be7
- 2.Be6#
- 2.Bxb7#
- 1...Bd8
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Se7
- 2.Sxf6#
- 1...d3
- 2.Qc4#
- 2.e4#
- 1...e4!
- 1...Bxh4
- 1.Qxe5+?
- 1...Bxe5
- 2.Bxb7#
- 1...Kxe5!
- 1...Bxe5
- 1.Qc3?
- 1...Ke4
- 2.Qf3#
- 1...Bxg7
- 2.Bxb7#
- 1...Sxh6
- 2.Sxf6#
- 1...d3
- 2.Qxd3#
- 2.Qc4#
- 1...Bh4
- 2.Bxb7#
- 1...Bg5
- 2.Bxb7#
- 1...Be7
- 2.Bxb7#
- 1...Bd8
- 2.Bxb7#
- 1...Se7
- 2.Sxf6#
- 1...e4
- 2.Qxa5#
- 2.Qc5#
- 1...dxc3!
- 1...Ke4
- 1.Qh3?
- 1...Ke4
- 2.Bxb7#
- 2.Qg2#
- 2.Qh1#
- 2.Qf3#
- 1...Bxg7
- 2.Bxb7#
- 1...Sxh6
- 2.Sxf6#
- 1...Bh4
- 2.Bxb7#
- 1...Bg5
- 2.Bxb7#
- 1...Be7
- 2.Bxb7#
- 1...Bd8
- 2.Bxb7#
- 1...Se7
- 2.Sxf6#
- 1...d3
- 2.Qxd3#
- 1...e4!
- 1...Ke4
- 1.Qg4?
- 1...Bxg7
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 1...Sxh6
- 2.Sxf6#
- 1...Bh4
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 1...Bg5
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 1...Be7
- 2.Be6#
- 2.Bxb7#
- 1...Bd8
- 2.Be6#
- 2.Bxb7#
- 2.Rd6#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Se7
- 2.Sxf6#
- 1...d3
- 2.Qc4#
- 2.e4#
- 1...e4!
- 1...Bxg7
- 1.Sf4+?
- Keys
- 1.Qe1!
- 1...Ke4
- 2.Qh1#
- 1...Bxg7
- 2.Bxb7#
- 1...Sxh6
- 2.Sxf6#
- 1...Bh4
- 2.Bxb7#
- 1...Bg5
- 2.Bxb7#
- 1...Be7
- 2.Bxb7#
- 1...Bd8
- 2.Bxb7#
- 1...Se7
- 2.Sxf6#
- 1...d3
- 2.e4#
- 1...e4
- 2.Qxa5#
- 1...Ke4
- 1.Qe1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(f);::B(K),XP(g)
- B(f);XP(J)::B(K),XP(g)
- B(f);P_PINP(I)::B(K),XP(g)
- S(i);N_GUARD,XR(H)::S(F),XB(f)
- S(i);N_GUARD::S(F),XB(f)
- P(a);OGATEB::QAR2(C),XP(a)
- P(d);OGATE,SBLOCK::QAR1(C)
- Tries
- Try
- S(F);CHECK
- Refutation
- P(d);XS(F)
- Try
- B(K);CHECK
- Refutation
- K(c);P_SPINB(f),S_FLIGHT,XB(K)
- Try
- R(H);XB(f)
- Threat
- B(K),XP(g)
- Vars
- S(i);XR(H)::S(F),XS(i)
- Refutation
- S(i);
- Try
- Q(C);
- Vars
- B(f);XP(J)::B(K),XP(g)
- S(i);N_GUARD,XR(H)::S(F),XB(f)
- B(f);::B(K),XP(g)
- B(f);P_PINP(I)::B(K),XP(g)
- S(i);N_GUARD::S(F),XB(f)
- P(d);OGATE,SBLOCK::QAR1(C)
- Refutation
- P(a);
- Try
- Q(C);
- Vars
- S(i);N_GUARD,XR(H)::S(F),XB(f)
- S(i);N_GUARD::S(F),XB(f)
- P(d);OGATE,SBLOCK::QAR1(C)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);
- Vars
- B(f);XQ(C)::B(K),XP(g)
- S(i);N_GUARD,XR(H)::S(F),XB(f)
- S(i);N_GUARD::S(F),XB(f)
- Refutation
- P(d);
- Try
- Q(C);CHECK,XP(d)
- Vars
- B(f);SBLOCK,XQ(C)::B(K),XP(g)
- Refutation
- K(c);P-FLIGHT,XQ(C)
- Try
- Q(C);
- Vars
- K(c);S_FLIGHT::QAB1(C)
- B(f);XP(J)::B(K),XP(g)
- S(i);N_GUARD,XR(H)::S(F),XB(f)
- B(f);::B(K),XP(g)
- B(f);P_PINP(I)::B(K),XP(g)
- S(i);N_GUARD::S(F),XB(f)
- Refutation
- P(a);XQ(C)
- Try
- Q(C);
- Vars
- B(f);XP(J)::B(K),XP(g)
- S(i);N_GUARD,XR(H)::S(F),XB(f)
- B(f);::B(K),XP(g)
- B(f);P_PINP(I)::B(K),XP(g)
- S(i);N_GUARD::S(F),XB(f)
- P(a);OGATEB::QAR2(C),XP(a)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- S(i);N_GUARD,XR(H)::S(F),XB(f)
- S(i);N_GUARD::S(F),XB(f)
- Refutation
- P(d);
- Try
- Actual
- Q(C);
- Vars
- K(c);S_FLIGHT::QAB(C)
- B(f);XP(J)::B(K),XP(g)
- S(i);N_GUARD,XR(H)::S(F),XB(f)
- B(f);::B(K),XP(g)
- B(f);P_PINP(I)::B(K),XP(g)
- S(i);N_GUARD::S(F),XB(f)
- P(a);N_GUARD::P(A)
- P(d);SBLOCK::QAR(C),XP(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).