MESON Chess Problem Database
Problem Display
PID: 220417 (8/3p4/4p1Qp/1n3p1P/1bN1k1P1/1N1RP2K/2P3P1/8 w - - 0 1)
Eckhardt, Carl
Funkschach, 1926
#2
10 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Sc5#
- 1...Bd2
- 2.Sbxd2#
- 2.Sc5#
- 1...Ba3
- 2.Sbd2#
- 1...Bc3
- 2.Sc5#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sbd2#
- 2.Sxc5#
- 1...Bd6
- 2.Sbd2#
- 1...Be7
- 2.Sbd2#
- 1...Bf8
- 2.Sbd2#
- 1...Sa3
- 2.Rd4#
- 1...Sc3
- 2.Sbd2#
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 1...e5
- 2.Qxf5#
- 1...d5
- 2.Qxe6#
- 1...d6
- 2.Qxe6#
- 1...Be1
- Tries
- 1.Kh2?
- 1...Sd4
- 2.Rxd4#
- 1...Be1
- 2.Sc5#
- 1...Bd2
- 2.Sbxd2#
- 2.Sc5#
- 1...Ba3
- 2.Sbd2#
- 1...Bc3
- 2.Sc5#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sbd2#
- 2.Sxc5#
- 1...Be7
- 2.Sbd2#
- 1...Bf8
- 2.Sbd2#
- 1...Sa3
- 2.Rd4#
- 1...Sc3
- 2.Sbd2#
- 2.Rd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 1...e5
- 2.Qxf5#
- 1...d5
- 2.Qxe6#
- 1...d6
- 2.Qxe6#
- 1...Bd6+!
- 1...Sd4
- 1.Scd2+?
- 1...Ke5
- 2.Qg7#
- 1...Bxd2!
- 1...Ke5
- 1.Rxd7?
- threat
- 2.Qxe6#
- 1...Bc3
- 2.Sc5#
- 1...Sd4
- 2.Rxd4#
- 1...Sc7
- 2.Rd4#
- 1...e5
- 2.Qxf5#
- 2.Qc6#
- 1...Bd6!
- threat
- 1.Qf7?
- 1...Sd4
- 2.Rxd4#
- 1...Be1
- 2.Sc5#
- 1...Bd2
- 2.Sbxd2#
- 2.Sc5#
- 1...Ba3
- 2.Sbd2#
- 1...Bc3
- 2.Sc5#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sbd2#
- 2.Sxc5#
- 1...Bd6
- 2.Sbd2#
- 1...Be7
- 2.Sbd2#
- 1...Bf8
- 2.Sbd2#
- 1...Sa3
- 2.Rd4#
- 1...Sc3
- 2.Sbd2#
- 2.Rd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 1...f4
- 2.Qg6#
- 2.Qxf4#
- 2.Qh7#
- 1...e5
- 2.Qd5#
- 2.Qxf5#
- 1...d5
- 2.Qxe6#
- 1...d6
- 2.Qxe6#
- 1...fxg4+!
- 1...Sd4
- 1.Qe8?
- 1...Sd4
- 2.Rxd4#
- 1...Be1
- 2.Sc5#
- 1...Bd2
- 2.Sbxd2#
- 2.Sc5#
- 1...Ba3
- 2.Sbd2#
- 1...Bc3
- 2.Sc5#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sbd2#
- 2.Sxc5#
- 1...Bd6
- 2.Sbd2#
- 2.Qa8#
- 1...Be7
- 2.Sbd2#
- 1...Bf8
- 2.Sbd2#
- 1...Sa3
- 2.Rd4#
- 1...Sc3
- 2.Sbd2#
- 2.Rd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 1...f4
- 2.Qg6#
- 1...e5
- 2.Qxe5#
- 1...d5
- 2.Qxe6#
- 1...d6
- 2.Qxe6#
- 1...fxg4+!
- 1...Sd4
- 1.Qg5?
- threat
- 2.Qf4#
- 1...fxg4+
- 2.Qxg4#
- 1...Sd4
- 2.Rxd4#
- 1...Bd6
- 2.Sbd2#
- 1...f4
- 2.Qxf4#
- 2.Qe5#
- 2.Qg6#
- 1...e5
- 2.Qxf5#
- 1...hxg5!
- threat
- 1.Qf6?
- threat
- 2.Qe5#
- 1...Bc3
- 2.Sc5#
- 1...Bd6
- 2.Sbd2#
- 2.Scd2#
- 1...e5
- 2.Qxe5#
- 2.Qxf5#
- 1...d6
- 2.Qxe6#
- 1...fxg4+!
- threat
- 1.Qg7?
- threat
- 2.Qe5#
- 1...fxg4+
- 2.Qxg4#
- 1...Bc3
- 2.Sc5#
- 1...Bd6
- 2.Sbd2#
- 2.Scd2#
- 1...e5
- 2.Qxe5#
- 1...d6!
- threat
- 1.gxf5?
- threat
- 2.Qg4#
- 2.fxe6#
- 2.f6#
- 1...Sd4
- 2.Rxd4#
- 1...Bd6
- 2.Sbd2#
- 2.fxe6#
- 2.f6#
- 1...Sd6
- 2.Rd4#
- 2.Qg4#
- 1...e5
- 2.Qg4#
- 2.f6#
- 1...exf5!
- threat
- 1.Kh2?
- Keys
- 1.Qg8!
- 1...fxg4+
- 2.Qxg4#
- 1...Sd4
- 2.Rxd4#
- 1...Be1
- 2.Sc5#
- 1...Bd2
- 2.Sbxd2#
- 2.Sc5#
- 1...Ba3
- 2.Sbd2#
- 1...Bc3
- 2.Sc5#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sbd2#
- 2.Sxc5#
- 1...Bd6
- 2.Sbd2#
- 2.Qa8#
- 1...Be7
- 2.Sbd2#
- 1...Bf8
- 2.Sbd2#
- 1...Sa3
- 2.Rd4#
- 1...Sc3
- 2.Sbd2#
- 2.Rd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 1...f4
- 2.Qh7#
- 2.Qg6#
- 1...e5
- 2.Qd5#
- 1...d5
- 2.Qxe6#
- 1...d6
- 2.Qxe6#
- 1...fxg4+
- 1.Qg8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(a);N_GUARD::S(C)
- S(c);N_GUARD::R1(D)
- S(c);N_GUARD::R1(D),XS(c)
- P(e);N_GUARD::QAB1(J),XP(d)
- P(g);N_GUARD::QAR2(J),XP(e)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- S(c);N_GUARD::R1(D),XS(c)
- B(a);N_GUARD::S(C)
- S(c);N_GUARD::R1(D)
- P(e);N_GUARD::QAB1(J),XP(d)
- P(g);N_GUARD::QAR2(J),XP(e)
- Refutation
- B(a);CHECK
- Try
- S(G);CHECK
- Vars
- K(b);N_SPINP(d),P-FLIGHT::QAB(J)
- Refutation
- B(a);XS(G)
- Try
- R(D);XP(g)
- Threat
- QAR2(J),XP(e)
- Vars
- B(a);N_GUARD::S(C)
- S(c);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::R1(D)
- Refutation
- B(a);
- Try
- Q(J);N_PINP(d)
- Vars
- S(c);N_GUARD::R1(D),XS(c)
- B(a);N_GUARD::S(C)
- S(c);N_GUARD::R1(D)
- P(g);N_GUARD::QAR2(J),XP(e)
- Refutation
- P(d);CHECK,XP(H)
- Try
- Q(J);N_PINP(d),P_PINP(e)
- Vars
- S(c);N_GUARD::R1(D),XS(c)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD,N_SPINP(e)::S(C)
- S(c);N_GUARD::R1(D)
- P(d);OGATEB::QAB(J)
- P(e);OGATE::QAR1(J),XP(e)
- P(g);N_GUARD::QAR2(J),XP(e)
- Refutation
- P(d);CHECK,XP(H)
- Try
- Q(J);N_PINP(d)
- Threat
- QAR1(J)
- Vars
- P(d);CHECK,OGATE,XP(H)::QAR2(J),XP(d)
- S(c);N_GUARD::R1(D),XS(c)
- B(a);N_GUARD::S(C)
- P(e);N_GUARD::QAB1(J),XP(d)
- Refutation
- P(f);XQ(J)
- Try
- Q(J);N_PINP(d)
- Threat
- QAR1(J)
- Vars
- B(a);N_GUARD::S(C)
- P(g);N_GUARD::QAR2(J),XP(e)
- Refutation
- P(d);CHECK,XP(H)
- Try
- Q(J);N_PINP(d)
- Threat
- QAR1(J)
- Vars
- P(d);CHECK,OGATE,XP(H)::QAR2(J),XP(d)
- B(a);N_GUARD::S(C)
- P(e);::QAR1(J),XP(e)
- Refutation
- P(g);
- Try
- P(H);XP(d)
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD::R1(D),XS(c)
- Refutation
- P(e);P_SPINP(e),XP(H)
- Try
- Actual
- Q(J);N_PINP(d)
- Vars
- P(d);CHECK,OGATE,XP(H)::QAR2(J),XP(d)
- S(c);N_GUARD::R1(D),XS(c)
- B(a);N_GUARD::S(C)
- S(c);N_GUARD::R1(D)
- P(e);OGATE::QAB1(J)
- P(g);N_GUARD::QAR2(J),XP(e)
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).