MESON Chess Problem Database
Problem Display
PID: 193979 (4BB2/7N/4k3/7p/4P1n1/5N2/5bQ1/1K6 w - - 0 1)
Rothstein, Louis
Pittsburgh Gazette-Times, 1916
#2
7 + 4
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qa2#
- 1...Bg1
- 2.Qa2#
- 1...Be3
- 2.Qa2#
- 1...Bg3
- 2.Qa2#
- 1...Bd4
- 2.Qa2#
- 1...Bh4
- 2.Qa2#
- 1...Bc5
- 2.Qa2#
- 1...Bb6
- 2.Qa2#
- 1...Ba7
- 2.Qa2#
- 1...Sh2
- 2.Qg6#
- 2.Qg8#
- 1...Se3
- 2.Qg6#
- 2.Qg8#
- 1...Se5
- 2.Sfg5#
- 1...Sf6
- 2.Shg5#
- 1...Sh6
- 2.Qg6#
- 1...h4
- 2.Qxg4#
- 1...Be1
- Tries
- 1.Ka1?
- 1...Be1
- 2.Qa2#
- 1...Bg1
- 2.Qa2#
- 1...Be3
- 2.Qa2#
- 1...Bg3
- 2.Qa2#
- 1...Bh4
- 2.Qa2#
- 1...Bc5
- 2.Qa2#
- 1...Bb6
- 2.Qa2#
- 1...Ba7
- 2.Qa2#
- 1...Sh2
- 2.Qg6#
- 2.Qg8#
- 1...Se3
- 2.Qg6#
- 2.Qg8#
- 1...Se5
- 2.Sfg5#
- 1...Sf6
- 2.Shg5#
- 1...Sh6
- 2.Qg6#
- 1...h4
- 2.Qxg4#
- 1...Bd4+!
- 1...Be1
- 1.Kc1?
- 1...Be1
- 2.Qa2#
- 1...Bg1
- 2.Qa2#
- 1...Bg3
- 2.Qa2#
- 1...Bd4
- 2.Qa2#
- 1...Bh4
- 2.Qa2#
- 1...Bc5
- 2.Qa2#
- 1...Bb6
- 2.Qa2#
- 1...Ba7
- 2.Qa2#
- 1...Sh2
- 2.Qg6#
- 2.Qg8#
- 1...Se3
- 2.Qg6#
- 2.Qg8#
- 1...Se5
- 2.Sfg5#
- 1...Sf6
- 2.Shg5#
- 1...Sh6
- 2.Qg6#
- 1...h4
- 2.Qxg4#
- 1...Be3+!
- 1...Be1
- 1.Ba3?
- 1...Be1
- 2.Qa2#
- 1...Bg1
- 2.Qa2#
- 1...Be3
- 2.Qa2#
- 1...Bg3
- 2.Qa2#
- 1...Bd4
- 2.Qa2#
- 1...Bh4
- 2.Qa2#
- 1...Bb6
- 2.Qa2#
- 1...Ba7
- 2.Qa2#
- 1...Sh2
- 2.Qg6#
- 2.Qg8#
- 1...Se3
- 2.Qg6#
- 2.Qg8#
- 1...Se5
- 2.Sfg5#
- 1...Sf6
- 2.Shg5#
- 2.Sf8#
- 1...Sh6
- 2.Qg6#
- 1...h4
- 2.Qxg4#
- 1...Bc5!
- 1...Be1
- 1.Bb4?
- 1...Be1
- 2.Qa2#
- 1...Bg1
- 2.Qa2#
- 1...Be3
- 2.Qa2#
- 1...Bg3
- 2.Qa2#
- 1...Bd4
- 2.Qa2#
- 1...Bh4
- 2.Qa2#
- 1...Bb6
- 2.Qa2#
- 1...Ba7
- 2.Qa2#
- 1...Sh2
- 2.Qg6#
- 2.Qg8#
- 1...Se3
- 2.Qg6#
- 2.Qg8#
- 1...Se5
- 2.Sfg5#
- 1...Sf6
- 2.Shg5#
- 2.Sf8#
- 1...Sh6
- 2.Qg6#
- 1...h4
- 2.Qxg4#
- 1...Bc5!
- 1...Be1
- 1.Bc5?
- 1...Be1
- 2.Qa2#
- 1...Bg1
- 2.Qa2#
- 1...Be3
- 2.Qa2#
- 1...Bg3
- 2.Qa2#
- 1...Bd4
- 2.Qa2#
- 1...Bh4
- 2.Qa2#
- 1...Sh2
- 2.Qg6#
- 2.Qg8#
- 1...Se3
- 2.Qg6#
- 2.Qg8#
- 1...Se5
- 2.Sfg5#
- 1...Sf6
- 2.Shg5#
- 2.Sf8#
- 1...Sh6
- 2.Qg6#
- 1...h4
- 2.Qxg4#
- 1...Bxc5!
- 1...Be1
- 1.Qh2?
- threat
- 2.Sfg5#
- 2.Qd6#
- 1...Be3
- 2.Qd6#
- 2.Qa2#
- 1...Bg3
- 2.Qa2#
- 1...Bh4
- 2.Sd4#
- 2.Qd6#
- 2.Qa2#
- 1...Bc5
- 2.Sfg5#
- 2.Qa2#
- 1...Se5
- 2.Sfg5#
- 2.Qxe5#
- 1...Sxh2!
- threat
- 1.Qg3?
- threat
- 2.Sfg5#
- 2.Qd6#
- 1...Be3
- 2.Qd6#
- 1...Bc5
- 2.Sfg5#
- 1...Se5
- 2.Sfg5#
- 2.Qxe5#
- 1...Bxg3!
- threat
- 1.Ka1?
- Keys
- 1.Qf1!
- threat
- 2.Qc4#
- 1...Se3
- 2.Qa6#
- 1...Se5
- 2.Sfg5#
- 1...Sf6
- 2.Shg5#
- threat
- 1.Qf1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- B(a);OGATE::QAB(B)
- S(b);SBLOCK::S(C)
- S(b);SBLOCK::S(E)
- S(b);OGATE::QAR2(B)
- P(c);N_GUARD::QAB(B),XS(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(a);OGATE::QAB(B)
- S(b);SBLOCK::S(C)
- S(b);SBLOCK::S(E)
- S(b);OGATE::QAR2(B)
- P(c);N_GUARD::QAB(B),XS(b)
- Refutation
- B(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- B(a);OGATE::QAB(B)
- S(b);SBLOCK::S(C)
- S(b);SBLOCK::S(E)
- S(b);OGATE::QAR2(B)
- P(c);N_GUARD::QAB(B),XS(b)
- Refutation
- B(a);CHECK
- Try
- B(G);
- Vars
- B(a);OGATE::QAB(B)
- S(b);SBLOCK::S(C)
- S(b);OGATE::QAR2(B)
- P(c);N_GUARD::QAB(B),XS(b)
- Refutation
- B(a);
- Try
- B(G);
- Vars
- B(a);OGATE::QAB(B)
- S(b);SBLOCK::S(C)
- S(b);OGATE::QAR2(B)
- P(c);N_GUARD::QAB(B),XS(b)
- Refutation
- B(a);
- Try
- B(G);
- Vars
- B(a);OGATE::QAB(B)
- S(b);SBLOCK::S(C)
- S(b);OGATE::QAR2(B)
- P(c);N_GUARD::QAB(B),XS(b)
- Refutation
- B(a);XB(G)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(a);OGATE::QAB(B)
- Refutation
- S(b);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(a);::QAR1(B)
- B(a);::S(C)
- Refutation
- B(a);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAB(B)
- Vars
- S(b);S_CUTB(a)::QAR(B)
- S(b);SBLOCK::S(C)
- S(b);SBLOCK::S(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).