MESON Chess Problem Database
Problem Display
PID: 2833 (1Q2b3/p7/K1Pp2Nn/2b5/1B1k2p1/1P1p2Rp/7P/5N1B w - - 0 1)
Bettmann, Edgar
Bettmann, Henry Wald
Bettmann, Jacob
Elmira Telegram, 1882
#2
10 + 9
| 2638 | White to Play | 1913 |
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Bxb4
- 2.Qxb4#
- 1...Bb6
- 2.Qxd6#
- 1...Bxc6
- 2.Qh8#
- 1...Bxg6
- 2.Qh8#
- 1...Bd7
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Sf5
- 2.Rxg4#
- 1...Sf7
- 2.Rxg4#
- 1...Sg8
- 2.Rxg4#
- 1...d2
- 2.Bc3#
- 1...d5
- 2.Qf4#
- 2.Qe5#
- 1...Bxb4
- Tries
- 1.Bg2?
- 1...Bxb4
- 2.Qxb4#
- 1...Bxc6
- 2.Qh8#
- 1...Bxg6
- 2.Qh8#
- 1...Bb6
- 2.Qxd6#
- 1...Bd7
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Sf5
- 2.Rxg4#
- 1...Sf7
- 2.Rxg4#
- 1...Sg8
- 2.Rxg4#
- 1...d2
- 2.Bc3#
- 1...d5
- 2.Qf4#
- 2.Qe5#
- 1...hxg2!
- 1...Bxb4
- 1.Be1?
- 1...Bxc6
- 2.Qh8#
- 1...Bxg6
- 2.Qh8#
- 1...Bb4
- 2.Qxb4#
- 1...Bb6
- 2.Qxd6#
- 1...Bd7
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Sf5
- 2.Rxg4#
- 1...Sf7
- 2.Rxg4#
- 1...Sg8
- 2.Rxg4#
- 1...d2
- 2.Bf2#
- 1...d5
- 2.Qf4#
- 2.Qe5#
- 1...Ba3!
- 1...Bxc6
- 1.Bd2?
- 1...Bxc6
- 2.Qh8#
- 1...Bxg6
- 2.Qh8#
- 1...Bb4
- 2.Qxb4#
- 1...Bb6
- 2.Qxd6#
- 1...Bd7
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Sf5
- 2.Rxg4#
- 1...Sf7
- 2.Rxg4#
- 1...Sg8
- 2.Rxg4#
- 1...d5
- 2.Qf4#
- 2.Qe5#
- 1...Ba3!
- 1...Bxc6
- 1.Ba5?
- 1...Bxc6
- 2.Qh8#
- 1...Bxg6
- 2.Qh8#
- 1...Bb4
- 2.Qxb4#
- 1...Bb6
- 2.Qxd6#
- 1...Bd7
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Sf5
- 2.Rxg4#
- 1...Sf7
- 2.Rxg4#
- 1...Sg8
- 2.Rxg4#
- 1...d2
- 2.Bc3#
- 1...d5
- 2.Qf4#
- 2.Qe5#
- 1...Ba3!
- 1...Bxc6
- 1.Qb5?
- threat
- 2.Rxd3#
- 2.Qxd3#
- 2.Qc4#
- 1...Bxb4
- 2.Rxd3#
- 2.Qc4#
- 2.Qxb4#
- 1...Bf7
- 2.Rxd3#
- 2.Qxd3#
- 1...d2
- 2.Bc3#
- 2.Rd3#
- 2.Qd3#
- 2.Qc4#
- 1...d5
- 2.Rxd3#
- 2.Qxd3#
- 2.Qxc5#
- 1...Bxg6!
- threat
- 1.Qd8?
- threat
- 2.Qf6#
- 1...Sf7
- 2.Rxg4#
- 1...Sg8
- 2.Rxg4#
- 1...Bxb4!
- threat
- 1.Qxe8?
- threat
- 2.Qe3#
- 2.Qe4#
- 2.Qh8#
- 1...Sf5
- 2.Rxg4#
- 2.Qe4#
- 1...Sf7
- 2.Rxg4#
- 2.Qe3#
- 2.Qe4#
- 1...Sg8
- 2.Rxg4#
- 2.Qe3#
- 2.Qe4#
- 1...d5
- 2.Qe3#
- 2.Qe5#
- 2.Qh8#
- 1...Bxb4!
- threat
- 1.Bg2?
- Keys
- 1.Se3!
- 1...Bxb4
- 2.Qxb4#
- 1...Bxc6
- 2.Qh8#
- 1...Bxg6
- 2.Qh8#
- 1...d2
- 2.Sc2#
- 1...Bb6
- 2.Qxd6#
- 1...Bd7
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- 1...d5
- 2.Qf4#
- 2.Qe5#
- 1...Bxb4
- 1.Se3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(e);OGATE,XB(F)::QAR2(J),XB(e)
- B(e);N_GUARD::QAR2(J),XP(f)
- B(i);OGATE,XP(H)::QAB(J)
- B(i);OGATE,XS(I)::QAB(J)
- B(i);OGATE::QAB(J)
- S(g);N_GUARD::R(E),XP(d)
- P(a);::B(F)
- Tries
- Try
- B(B);
- Vars
- B(e);OGATE,XB(F)::QAR2(J),XB(e)
- B(i);OGATE,XP(H)::QAB(J)
- B(i);OGATE,XS(I)::QAB(J)
- B(e);N_GUARD::QAR2(J),XP(f)
- B(i);OGATE::QAB(J)
- S(g);N_GUARD::R(E),XP(d)
- P(a);::B(F)
- Refutation
- P(b);XB(B)
- Try
- B(F);
- Vars
- B(i);OGATE,XP(H)::QAB(J)
- B(i);OGATE,XS(I)::QAB(J)
- B(e);N_GUARD::QAR2(J),XB(e)
- B(e);N_GUARD::QAR2(J),XP(f)
- B(i);OGATE::QAB(J)
- S(g);N_GUARD::R(E),XP(d)
- P(a);::B(F)
- Refutation
- B(e);
- Try
- B(F);
- Vars
- B(i);OGATE,XP(H)::QAB(J)
- B(i);OGATE,XS(I)::QAB(J)
- B(e);N_GUARD::QAR2(J),XB(e)
- B(e);N_GUARD::QAR2(J),XP(f)
- B(i);OGATE::QAB(J)
- S(g);N_GUARD::R(E),XP(d)
- Refutation
- B(e);
- Try
- B(F);
- Vars
- B(i);OGATE,XP(H)::QAB(J)
- B(i);OGATE,XS(I)::QAB(J)
- B(e);N_GUARD::QAR2(J),XB(e)
- B(e);N_GUARD::QAR2(J),XP(f)
- B(i);OGATE::QAB(J)
- S(g);N_GUARD::R(E),XP(d)
- P(a);::B(F)
- Refutation
- B(e);
- Try
- Q(J);
- Threat
- DUALS(3)
- Refutation
- B(i);XS(I)
- Try
- Q(J);P_PINP(f)
- Threat
- QAB(J)
- Vars
- S(g);N_GUARD::R(E),XP(d)
- Refutation
- B(e);XB(F)
- Try
- Q(J);XB(i)
- Threat
- DUALS(3)
- Refutation
- B(e);XB(F)
- Try
- Actual
- S(A);
- Vars
- B(e);OGATE,XB(F)::QAR2(J),XB(e)
- B(i);OGATE,XP(H)::QAB(J)
- B(i);OGATE,XS(I)::QAB(J)
- P(a);N_GUARD::S(A)
- B(e);N_GUARD::QAR2(J),XP(f)
- B(i);OGATE::QAB(J)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
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).