MESON Chess Problem Database
Problem Display
PID: 194289 (2B2bN1/2n1p3/2pB2R1/1n1kP3/3p2Q1/1K6/4N3/7b w - - 0 1)
Phelps, Francis Bradley
Pittsburgh Gazette-Times, 1917
#2
8 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Sf4#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sa3
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sxd6
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sa8
- 2.Be6#
- 1...Se8
- 2.Be6#
- 1...d3
- 2.Qc4#
- 1...c5
- 2.Bb7#
- 1...e6
- 2.Sf6#
- 1...Bg2
- Tries
- 1.Sc3+?
- 1...dxc3
- 2.Qc4#
- 1...Sxc3!
- 1...dxc3
- 1.Rh6?
- 1...Bxh6
- 2.Sxe7#
- 1...Sxd6
- 2.Qxd4#
- 1...c5
- 2.Bb7#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Sf4#
- 1...Bg7
- 2.Sxe7#
- 1...Sa3
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sa8
- 2.Be6#
- 1...Se8
- 2.Be6#
- 1...d3
- 2.Qc4#
- 1...e6
- 2.Sf6#
- 1...exd6!
- 1...Bxh6
- 1.Rg7?
- 1...Bxg7
- 2.Sxe7#
- 1...Sxd6
- 2.Qxd4#
- 1...c5
- 2.Bb7#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Sf4#
- 1...Sa3
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sa8
- 2.Be6#
- 1...Se8
- 2.Be6#
- 1...d3
- 2.Qc4#
- 1...e6
- 2.Sf6#
- 1...exd6!
- 1...Bxg7
- 1.Qe4+?
- 1...Bxe4
- 2.Sf4#
- 1...Kxe4!
- 1...Bxe4
- 1.Sc3+?
- Keys
- 1.Rg5!
- 1...Sxd6
- 2.Qxd4#
- 1...exd6
- 2.e6#
- 1...c5
- 2.Bb7#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Sf4#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sa3
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sa8
- 2.Be6#
- 1...Se8
- 2.Be6#
- 1...d3
- 2.Qc4#
- 1...e6
- 2.Sf6#
- 1...Sxd6
- 1.Rg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);SBLOCK::S(A)
- B(h);N_GUARD::S(H),XP(g)
- S(c);N_GUARD::QAR1(C),XP(b)
- S(c);N_GUARD,XB(E)::QAR1(C),XP(b)
- S(f);N_GUARD::B(G)
- S(f);N_GUARD::B(G),XS(f)
- P(b);OGATE::QAB1(C)
- P(e);OGATEB::B(G)
- P(g);N_GUARD::S(H)
- Tries
- Try
- S(A);CHECK
- Vars
- P(b);OGATE,XS(A)::QAB1(C)
- Refutation
- S(c);XS(A)
- Try
- R(F);
- Vars
- B(h);N_GUARD,XR(F)::S(H),XP(g)
- S(c);N_GUARD,XB(E)::QAR1(C),XP(b)
- P(e);OGATEB::B(G)
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);SBLOCK::S(A)
- B(h);N_GUARD::S(H),XP(g)
- S(c);N_GUARD::QAR1(C),XP(b)
- S(f);N_GUARD::B(G)
- S(f);N_GUARD::B(G),XS(f)
- P(b);OGATE::QAB1(C)
- P(g);N_GUARD::S(H)
- Refutation
- P(g);XB(E)
- Try
- R(F);
- Vars
- B(h);N_GUARD,XR(F)::S(H),XP(g)
- S(c);N_GUARD,XB(E)::QAR1(C),XP(b)
- P(e);OGATEB::B(G)
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);SBLOCK::S(A)
- S(c);N_GUARD::QAR1(C),XP(b)
- S(f);N_GUARD::B(G)
- S(f);N_GUARD::B(G),XS(f)
- P(b);OGATE::QAB1(C)
- P(g);N_GUARD::S(H)
- Refutation
- P(g);XB(E)
- Try
- Q(C);CHECK
- Vars
- B(a);SBLOCK,XQ(C)::S(A)
- Refutation
- K(d);S_FLIGHT,XQ(C)
- Try
- Actual
- R(F);
- Vars
- S(c);N_GUARD,XB(E)::QAR1(C),XP(b)
- P(g);SBLOCK,XB(E)::R(F)+P(D)
- P(e);OGATEB::B(G)
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);SBLOCK::S(A)
- B(h);N_GUARD::S(H),XP(g)
- S(c);N_GUARD::QAR1(C),XP(b)
- S(f);N_GUARD::B(G)
- S(f);N_GUARD::B(G),XS(f)
- P(b);OGATE::QAB1(C)
- P(g);N_GUARD::S(H)
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).