MESON Chess Problem Database
Problem Display
PID: 218519 (1B2B1b1/pR5p/Kp2k1pP/PP3nQ1/1PN2p2/1p1N1p2/1P3Pn1/3R4 w - - 0 1)
Dresdner, J
Cincinnati Commercial, 1881
#2
14 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bf7
- 2.Bxf7#
- 1...Se1
- 2.Sxf4#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Re7#
- 2.Qe5#
- 1...Sxh6
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Bf7
- Tries
- 1.Kxa7?
- 1...Sxh6
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Bf7
- 2.Bxf7#
- 1...Se1
- 2.Sxf4#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...Kd5!
- 1...Sxh6
- 1.Se3?
- 1...Sgxe3
- 2.Sxf4#
- 1...Sfxe3
- 2.Re7#
- 2.Qe5#
- 1...Sxh6
- 2.Re7#
- 2.Qe7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Bf7
- 2.Bd7#
- 2.Bxf7#
- 1...Se1
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sg3
- 2.Re7#
- 2.Qe7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe7#
- 2.Qe5#
- 1...Sfh4
- 2.Re7#
- 2.Qe7#
- 2.Qe5#
- 1...Sd6
- 2.Re7#
- 2.Qe7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qxe7#
- 2.Qe5#
- 1...Sg7
- 2.Re7#
- 2.Qe7#
- 2.Qe5#
- 1...fxe3!
- 1...Sgxe3
- 1.Bd6?
- 1...Sxd6
- 2.Re7#
- 2.Qe5#
- 1...Sxh6
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Se1
- 2.Sxf4#
- 1...Bf7
- 2.Bxf7#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Re7#
- 2.Qe5#
- 1...Kd5!
- 1...Sxd6
- 1.Bxa7?
- 1...Sxh6
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Se1
- 2.Sxf4#
- 1...Bf7
- 2.Bxf7#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Rxb6#
- 2.Re7#
- 2.Qe5#
- 1...Kd5!
- 1...Sxh6
- 1.Bc6?
- 1...Sxh6
- 2.Bd5#
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Se7
- 2.Rxe7#
- 1...Se1
- 2.Sxf4#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Bd5#
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Bd5#
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Bd5#
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Bd5#
- 2.Re7#
- 2.Qe5#
- 1...Sg7
- 2.Bd5#
- 2.Re7#
- 2.Qe5#
- 1...Bf7!
- 1...Sxh6
- 1.Re1+?
- 1...Sxe1
- 2.Sxf4#
- 1...Sge3
- 2.Sxf4#
- 1...Sfe3
- 2.Re7#
- 2.Qe5#
- 1...Kd5!
- 1...Sxe1
- 1.Rd2?
- 1...Sxh6
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Se1
- 2.Sxf4#
- 1...Bf7
- 2.Bxf7#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Re7#
- 2.Qe5#
- 1...Kd5!
- 1...Sxh6
- 1.Rxa7?
- 1...Sxh6
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Se1
- 2.Sxf4#
- 1...Bf7
- 2.Bxf7#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Re7#
- 2.Qe5#
- 1...Kd5!
- 1...Sxh6
- 1.Rc7?
- 1...Sxh6
- 2.Rc6#
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Se1
- 2.Sxf4#
- 1...Bf7
- 2.Bxf7#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Rc6#
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Rc6#
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Rc6#
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Rc6#
- 2.Re7#
- 2.Qe5#
- 1...Kd5!
- 1...Sxh6
- 1.Rd7?
- 1...Sxh6
- 2.Rd6#
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Se1
- 2.Sxf4#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Rd6#
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Rd6#
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Rd6#
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Rd6#
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Rxd6#
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rd6#
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Rd6#
- 2.Re7#
- 2.Qe5#
- 1...Bf7!
- 1...Sxh6
- 1.Re7+?
- 1...Sxe7
- 2.Qe5#
- 1...Kd5!
- 1...Sxe7
- 1.Kxa7?
- Keys
- 1.Sa3!
- 1...Kd5
- 2.Sc5#
- 1...Sxh6
- 2.Re7#
- 2.Qe5#
- 1...bxa5
- 2.Sc5#
- 1...Bf7
- 2.Bxf7#
- 1...Se1
- 2.Sxf4#
- 1...Sge3
- 2.Sxf4#
- 1...Sgh4
- 2.Sxf4#
- 1...Sfe3
- 2.Re7#
- 2.Qe5#
- 1...Sg3
- 2.Re7#
- 2.Qe5#
- 1...Sd4
- 2.Re7#
- 2.Qe5#
- 1...Sfh4
- 2.Re7#
- 2.Qe5#
- 1...Sd6
- 2.Re7#
- 2.Qe5#
- 1...Se7
- 2.Rxe7#
- 2.Qe5#
- 1...Sg7
- 2.Re7#
- 2.Qe5#
- 1...Kd5
- 1.Sa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(k);N_GUARD::B(N),XB(k)
- S(a);N_GUARD::S(D),XP(d)
- P(f);N_GUARD,XP(G)::S(D)
- Tries
- Try
- K(J);P-FLIGHT,XP(i)
- Vars
- P(f);N_GUARD,XP(G)::S(D)
- B(k);N_GUARD::B(N),XB(k)
- S(a);N_GUARD::S(D),XP(d)
- Refutation
- K(g);P_SPINS(e),S_FLIGHT
- Try
- S(F);
- Vars
- S(a);N_GUARD,XS(F)::S(D),XP(d)
- P(f);N_GUARD,XP(G)::S(D)
- S(a);N_GUARD::S(D),XP(d)
- Refutation
- P(d);XS(F)
- Try
- B(M);
- Vars
- P(f);N_GUARD,XP(G)::S(D)
- S(a);N_GUARD::S(D),XP(d)
- B(k);N_GUARD::B(N),XB(k)
- Refutation
- K(g);P_SPINS(e),S_FLIGHT
- Try
- B(M);XP(i)
- Vars
- P(f);N_GUARD,XP(G)::S(D)
- S(a);N_GUARD::S(D),XP(d)
- B(k);N_GUARD::B(N),XB(k)
- Refutation
- K(g);P_SPINS(e),S_FLIGHT
- Try
- B(N);
- Vars
- P(f);N_GUARD,XP(G)::S(D)
- S(e);N_GUARD::R1(L),XS(e)
- S(a);N_GUARD::S(D),XP(d)
- Refutation
- B(k);
- Try
- R(A);CHECK
- Vars
- S(a);XR(A)::S(D),XP(d)
- S(a);P_SPINS(a)::S(D),XP(d)
- Refutation
- K(g);P_SPINS(e),S_FLIGHT
- Try
- R(A);
- Vars
- P(f);N_GUARD,XP(G)::S(D)
- S(a);N_GUARD::S(D),XP(d)
- B(k);N_GUARD::B(N),XB(k)
- Refutation
- K(g);P_SPINS(e),S_FLIGHT
- Try
- R(L);XP(i)
- Vars
- P(f);N_GUARD,XP(G)::S(D)
- S(a);N_GUARD::S(D),XP(d)
- B(k);N_GUARD::B(N),XB(k)
- Refutation
- K(g);P_SPINS(e),S_FLIGHT
- Try
- R(L);
- Vars
- P(f);N_GUARD,XP(G)::S(D)
- S(a);N_GUARD::S(D),XP(d)
- B(k);N_GUARD::B(N),XB(k)
- Refutation
- K(g);P_SPINS(e),S_FLIGHT
- Try
- R(L);
- Vars
- P(f);N_GUARD,XP(G)::S(D)
- S(a);N_GUARD::S(D),XP(d)
- Refutation
- B(k);
- Try
- R(L);CHECK
- Vars
- S(e);OGATE,SBLOCK,XR(L)::QAR1(I)
- Refutation
- K(g);P_SPINS(e),S_FLIGHT
- Try
- Actual
- S(F);
- Vars
- K(g);P_SPINS(e),S_FLIGHT::R(A)+S(D)
- P(f);N_GUARD,XP(G)::S(D)
- B(k);N_GUARD::B(N),XB(k)
- S(a);N_GUARD::S(D),XP(d)
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).