MESON Chess Problem Database
Problem Display
PID: 132533 (8/2p3Q1/1p2Kp2/3pBN1B/N3k2r/4P1p1/2P5/1nR4n w - - 0 1)
Lincoln, Robert A
3rd Prize, SSA 022. TT, 2007
#2
9 + 9
| 145 | StrateGems | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Qg4#
- 1...Rh3
- 2.Qg4#
- 1...Rg4
- 2.Qxg4#
- 1...Rxh5
- 2.Qg4#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...g2
- 2.Qxg2#
- 1...b5
- 2.Sc5#
- 1...fxe5
- 2.Qxe5#
- 1...Rh2
- Tries
- 1.Bd4?
- 1...Rxh5
- 2.Qg4#
- 1...Rg4
- 2.Qxg4#
- 1...Rh2
- 2.Qg4#
- 1...Rh3
- 2.Qg4#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sf2
- 2.Sxg3#
- 1...g2
- 2.Qxg2#
- 1...b5
- 2.Sc5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Rf4!
- 1...Rxh5
- 1.Rxb1?
- threat
- 2.Sc3#
- 1...Rxh5
- 2.Qg4#
- 1...Rg4
- 2.Qxg4#
- 1...d4!
- threat
- 1.Rd1?
- threat
- 2.Rd4#
- 1...Rxh5
- 2.Qg4#
- 1...fxe5
- 2.Qxe5#
- 1...Rg4
- 2.Qxg4#
- 1...Sd2
- 2.Sc3#
- 1...d4
- 2.Rxd4#
- 1...c5!
- threat
- 1.Rf1?
- threat
- 2.Bf3#
- 1...Rxh5
- 2.Rf4#
- 2.Qg4#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Qxg4#
- 1...Sd2
- 2.Sc3#
- 1...Sf2!
- threat
- 1.Rxh1?
- threat
- 2.Rxh4#
- 1...Rxh1
- 2.Qg4#
- 1...Rxh5
- 2.Qg4#
- 1...Rg4
- 2.Qxg4#
- 1...Rh2
- 2.Qg4#
- 1...Rh3
- 2.Qg4#
- 1...Rf4!
- threat
- 1.Qxg3?
- threat
- 2.Bf3#
- 2.Qxh4#
- 2.Qg2#
- 2.Qf3#
- 1...Rxh5
- 2.Qf4#
- 2.Qg2#
- 2.Qg4#
- 1...Rf4
- 2.Qxf4#
- 1...Rh2
- 2.Bf3#
- 2.Qf4#
- 2.Qf3#
- 2.Qg4#
- 1...Rh3
- 2.Bf3#
- 2.Qf4#
- 2.Qg4#
- 1...Rg4
- 2.Qxg4#
- 1...Sd2
- 2.Sc3#
- 2.Qxh4#
- 1...Sf2
- 2.Bf3#
- 2.Qg2#
- 2.Qf3#
- 1...Sxg3!
- threat
- 1.Qg5?
- threat
- 2.Qxh4#
- 1...Rxh5
- 2.Qf4#
- 2.Qg4#
- 1...Rg4
- 2.Qxg4#
- 1...Rf4
- 2.Qxf4#
- 1...Rh2
- 2.Qf4#
- 2.Qg4#
- 1...Rh3
- 2.Qf4#
- 2.Qg4#
- 1...Sf2
- 2.Sxg3#
- 1...fxg5!
- threat
- 1.Qd7?
- threat
- 2.Qxd5#
- 1...Sc3
- 2.Sxc3#
- 1...d4
- 2.Qc6#
- 2.Qxd4#
- 2.Qd5#
- 1...c6!
- threat
- 1.Bd4?
- Keys
- 1.Re1!
- 1...Rxh5
- 2.Qg4#
- 1...fxe5
- 2.Qxe5#
- 1...Rg4
- 2.Qxg4#
- 1...Rf4
- 2.exf4#
- 1...Rh2
- 2.Qg4#
- 1...Rh3
- 2.Qg4#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sf2
- 2.Sxg3#
- 1...g2
- 2.Qxg2#
- 1...d4
- 2.exd4#
- 1...b5
- 2.Sc5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Rxh5
- 1.Re1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::QAR2(I)
- R(e);N_GUARD::QAR2(I),XR(e)
- R(e);N_GUARD,XB(G)::QAR2(I)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- P(c);OGATE::QAB(I),XP(c)
- P(g);N_GUARD::S(D)
- P(h);OGATE,XB(E)::QAR1(I),XP(h)
- Tries
- Try
- B(E);
- Vars
- R(e);N_GUARD,XB(G)::QAR2(I)
- R(e);N_GUARD::QAR2(I),XR(e)
- R(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(b);N_GUARD::S(F),XP(c)
- P(c);OGATE::QAB(I),XP(c)
- P(g);N_GUARD::S(D)
- P(i);N_GUARD::S(F)
- Refutation
- R(e);
- Try
- R(A);XS(a)
- Threat
- S(D)
- Vars
- R(e);N_GUARD,XB(G)::QAR2(I)
- R(e);N_GUARD::QAR2(I),XR(e)
- Refutation
- P(f);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- R(e);N_GUARD,XB(G)::QAR2(I)
- P(h);OGATE,XB(E)::QAR1(I),XP(h)
- R(e);N_GUARD::QAR2(I),XR(e)
- S(a);N_GUARD::S(D)
- P(f);::R1(A),XP(f)
- Refutation
- P(i);
- Try
- R(A);
- Threat
- B(G)
- Vars
- R(e);N_GUARD::R1(A),XR(e)
- R(e);N_GUARD::QAR2(I),XR(e)
- S(a);N_GUARD::S(D)
- Refutation
- S(b);
- Try
- R(A);XS(b)
- Threat
- R(A),XR(e)
- Vars
- R(e);N_GUARD,XR(A)::QAR2(I)
- R(e);N_GUARD,XB(G)::QAR2(I)
- R(e);N_GUARD::QAR2(I),XR(e)
- R(e);N_GUARD::QAR2(I)
- Refutation
- R(e);
- Try
- Q(I);XP(c)
- Threat
- DUALS(4)
- Vars
- R(e);N_GUARD::QAR1(I),XR(e)
- R(e);N_GUARD::QAR2(I),XR(e)
- Refutation
- S(b);XQ(I)
- Try
- Q(I);
- Threat
- QAR(I),XR(e)
- Vars
- R(e);N_GUARD::QAR2(I),XR(e)
- R(e);N_GUARD::QAR1(I),XR(e)
- S(b);N_GUARD::S(F),XP(c)
- Refutation
- P(h);XQ(I)
- Try
- Q(I);
- Threat
- QAB1(I),XP(f)
- Vars
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- P(i);
- Try
- Actual
- R(A);
- Vars
- R(e);N_GUARD,XB(G)::QAR2(I)
- P(h);OGATE,XB(E)::QAR1(I),XP(h)
- R(e);N_GUARD::QAR2(I),XR(e)
- R(e);OGATE::R(A)+P(C),XR(e)
- R(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(b);N_GUARD::S(F),XP(c)
- P(c);OGATE::QAB(I),XP(c)
- P(f);OGATE::R(A)+P(C),XP(f)
- P(g);N_GUARD::S(D)
- P(i);N_GUARD::S(F)
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).