MESON Chess Problem Database
Problem Display
PID: 205478 (Qr2bN2/1pn5/3ppBp1/7R/1n3k1p/5P1B/1NpP1bK1/R7 w - - 0 1)
Ehrmann, Willi
Badische Neueste Nachrichten, 1950
#2
10 + 12
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Rxh4#
- 1...Be3
- 2.Rxh4#
- 1...Bd4
- 2.Rxh4#
- 1...Bc5
- 2.Rxh4#
- 1...Bb6
- 2.Rxh4#
- 1...Ba7
- 2.Rxh4#
- 1...Ba4
- 2.Sxg6#
- 1...Bb5
- 2.Sxg6#
- 1...Bc6
- 2.Sxg6#
- 1...Bd7
- 2.Sxg6#
- 1...Sa2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sbd5
- 2.Sd3#
- 1...Sba6
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- 1...Sb5
- 2.Sxe6#
- 1...Scd5
- 2.Sxe6#
- 1...Sca6
- 2.Sxe6#
- 1...Sxa8
- 2.Sxe6#
- 1...d5
- 2.Be5#
- 1...e5
- 2.Bg5#
- 1...b5
- 2.Qe4#
- 1...b6
- 2.Qe4#
- 1...Bg1
- Tries
- 1.Sc4?
- threat
- 2.Bg5#
- 1...g5
- 2.Bxg5#
- 1...gxh5!
- threat
- 1.Re1?
- threat
- 2.Bg5#
- 2.Re4#
- 1...gxh5
- 2.Re4#
- 1...Be3
- 2.Rxh4#
- 2.dxe3#
- 1...Bc6
- 2.Sxg6#
- 2.Bg5#
- 1...d5
- 2.Be5#
- 2.Bg5#
- 1...g5
- 2.Bxg5#
- 2.Re4#
- 1...Bxe1!
- threat
- 1.Ra4?
- threat
- 2.Sd3#
- 1...Bxa4
- 2.Sxg6#
- 1...Bd4
- 2.Rxh4#
- 1...Bb5
- 2.Sxg6#
- 1...c1S!
- threat
- 1.Qxb7?
- threat
- 2.Qe4#
- 1...Bc6
- 2.Sxg6#
- 1...Sbd5
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- 1...Scd5
- 2.Sxe6#
- 1...d5
- 2.Be5#
- 1...Rxb7!
- threat
- 1.Qa4?
- threat
- 2.Sd3#
- 1...Bxa4
- 2.Sxg6#
- 1...Bd4
- 2.Rxh4#
- 1...Bb5
- 2.Sxg6#
- 1...c1S!
- threat
- 1.Qa5?
- threat
- 2.Bg5#
- 2.Qg5#
- 1...Bc5
- 2.Rxh4#
- 1...Bb5
- 2.Sxg6#
- 1...Sbd5
- 2.Sd3#
- 1...Sb5
- 2.Sxe6#
- 1...Scd5
- 2.Sxe6#
- 1...d5
- 2.Be5#
- 1...e5
- 2.Bg5#
- 1...g5
- 2.Bxg5#
- 2.Qxg5#
- 1...b5!
- threat
- 1.Sc4?
- Keys
- 1.Raa5!
- threat
- 2.Bg5#
- 1...Bc5
- 2.Rxh4#
- 1...Bb5
- 2.Sxg6#
- 1...Sbd5
- 2.Sd3#
- 1...Sb5
- 2.Sxe6#
- 1...Scd5
- 2.Sxe6#
- 1...d5
- 2.Be5#
- 1...g5
- 2.Bxg5#
- 1...b5
- 2.Qe4#
- threat
- 1.Raa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- B(b);N_GUARD::R(G),XP(e)
- B(l);N_GUARD::S(J),XP(h)
- B(l);N_GUARD,P_PINP(E)::S(J),XP(h)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(j);N_GUARD::S(J),XP(g)
- S(j);N_GUARD,XQ(I)::S(J),XP(g)
- P(f);N_GUARD::B(H)
- P(g);SBLOCK::B(H)
- P(i);OGATE::QAR1(I)
- Tries
- Try
- S(B);
- Threat
- B(H)
- Vars
- P(h);::B(H),XP(h)
- Refutation
- P(h);XR(G)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- P(h);XR(G)::R1(A)
- Refutation
- B(b);XR(A)
- Try
- R(A);P_PINS(c)
- Threat
- S(B)
- Vars
- B(l);N_GUARD,N_SPINS(c),XR(A)::S(J),XP(h)
- B(b);N_GUARD,N_SPINS(c)::R(G),XP(e)
- B(l);N_GUARD::S(J),XP(h)
- Refutation
- P(a);
- Try
- Q(I);XP(i)
- Threat
- QAR1(I)
- Vars
- B(l);N_GUARD,P_PINP(E)::S(J),XP(h)
- S(c);N_GUARD::S(B)
- S(j);N_GUARD::S(J),XP(g)
- P(f);N_GUARD::B(H)
- Refutation
- R(k);XQ(I)
- Try
- Q(I);P_PINS(c)
- Threat
- S(B)
- Vars
- B(l);N_GUARD,N_SPINS(c),XQ(I)::S(J),XP(h)
- B(b);N_GUARD,N_SPINS(c)::R(G),XP(e)
- B(l);N_GUARD::S(J),XP(h)
- Refutation
- P(a);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD::R(G),XP(e)
- B(l);N_GUARD::S(J),XP(h)
- S(c);N_GUARD::S(B)
- S(j);N_GUARD::S(J),XP(g)
- P(f);N_GUARD::B(H)
- P(g);::B(H)
- Refutation
- P(i);
- Try
- Actual
- R(A);
- Threat
- B(H)
- Vars
- B(b);N_GUARD::R(G),XP(e)
- B(l);N_GUARD::S(J),XP(h)
- S(c);N_GUARD::S(B)
- S(j);N_GUARD::S(J),XP(g)
- P(f);N_GUARD::B(H)
- P(h);::B(H),XP(h)
- P(i);OGATE::QAR1(I)
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).