MESON Chess Problem Database
Problem Display
PID: 143020 (2B3K1/R6p/3k3p/1P2p1nP/1pPPP3/1b1Q4/pr1N4/B7 w - - 0 1)
Williams, Philip Hamilton
British Chess Magazine, 1892
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.c5#
- 1...Bc2
- 2.c5#
- 1...Ba4
- 2.c5#
- 1...Bxc4+
- 2.Sxc4#
- 1...Sxe4
- 2.Sxe4#
- 1...Se6
- 2.Rd7#
- 1...Sf7
- 2.c5#
- 1...exd4
- 2.Qxd4#
- 1...Bd1
- Tries
- 1.Sxb3?
- threat
- 2.c5#
- 1...exd4
- 2.Qg3#
- 2.Qxd4#
- 1...Rc2
- 2.dxe5#
- 1...Se6
- 2.Rd7#
- 1...Sxe4!
- threat
- 1.Bg4?
- threat
- 2.Rd7#
- 1...Bxc4+
- 2.Sxc4#
- 1...exd4
- 2.Qxd4#
- 1...Se6!
- threat
- 1.Bf5?
- threat
- 2.Rd7#
- 1...Bxc4+
- 2.Sxc4#
- 1...exd4
- 2.Qxd4#
- 1...Se6!
- threat
- 1.Qxb3?
- threat
- 2.c5#
- 1...Sxe4
- 2.Sxe4#
- 1...Rc2
- 2.Qxb4#
- 1...Se6
- 2.Rd7#
- 1...exd4!
- threat
- 1.Qc3?
- threat
- 2.Qxb4#
- 1...Bxc4+
- 2.Sxc4#
- 1...Sxe4
- 2.Sxe4#
- 1...exd4
- 2.Qxd4#
- 1...Bd1
- 2.c5#
- 1...Bc2
- 2.c5#
- 1...Ba4
- 2.c5#
- 1...Se6
- 2.Rd7#
- 1...bxc3!
- threat
- 1.Qg3?
- threat
- 2.Qxe5#
- 1...Bxc4+
- 2.Sxc4#
- 1...Sf7
- 2.c5#
- 1...Sf3!
- threat
- 1.dxe5+?
- 1...Kc5
- 2.Qe3#
- 2.Qd6#
- 1...Kxe5!
- 1...Kc5
- 1.Sxb3?
- Keys
- 1.Qe3!
- 1...Bxc4+
- 2.Sxc4#
- 1...Rxd2
- 2.dxe5#
- 1...Sxe4
- 2.Sxe4#
- 1...exd4
- 2.Qxd4#
- 1...Rc2
- 2.dxe5#
- 1...Rb1
- 2.dxe5#
- 1...Bd1
- 2.c5#
- 1...Bc2
- 2.c5#
- 1...Ba4
- 2.c5#
- 1...Sf3
- 2.Qxh6#
- 1...Sh3
- 2.Qxh6#
- 1...Se6
- 2.Rd7#
- 1...Sf7
- 2.c5#
- 1...Bxc4+
- 1.Qe3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(c);N_PINP(D)::P(D)
- B(c);CHECK,XP(D)::S(B),XB(c)
- S(f);XP(F)::S(B),XS(f)
- S(f);N_PINP(D),SBLOCK::R1(I)
- S(f);N_PINP(D)::P(D)
- P(e);OGATE,P_SPINP(e),XP(E)::QAR2(C),XP(e)
- Tries
- Try
- S(B);N_SPINP(D),XB(c)
- Threat
- P(D)
- Vars
- R(b);::QAR(C)+P(E)DCHECK,XP(e)
- S(f);SBLOCK::R1(I)
- Refutation
- S(f);XP(F)
- Try
- B(J);
- Threat
- R1(I)
- Vars
- B(c);CHECK,XP(D)::S(B),XB(c)
- P(e);OGATE,P_SPINP(e),XP(E)::QAR2(C),XP(e)
- Refutation
- S(f);N_PINP(D)
- Try
- B(J);
- Threat
- R1(I)
- Vars
- B(c);CHECK,XP(D)::S(B),XB(c)
- P(e);OGATE,P_SPINP(e),XP(E)::QAR2(C),XP(e)
- Refutation
- S(f);N_PINP(D)
- Try
- Q(C);N_SPINP(D),XB(c)
- Threat
- P(D)
- Vars
- S(f);XP(F)::S(B),XS(f)
- R(b);N_GUARD::QAB(C),XP(d)
- S(f);SBLOCK::R1(I)
- Refutation
- P(e);XP(E)
- Try
- Q(C);
- Threat
- QAB(C),XP(d)
- Vars
- B(c);CHECK,XP(D)::S(B),XB(c)
- S(f);XP(F)::S(B),XS(f)
- P(e);OGATE,XP(E)::QAR2(C),XP(e)
- B(c);N_PINP(D)::P(D)
- S(f);N_PINP(D),SBLOCK::R1(I)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);P_PINP(e)
- Threat
- QAB1(C),XP(e)
- Vars
- B(c);CHECK,XP(D)::S(B),XB(c)
- S(f);N_PINP(D)::P(D)
- Refutation
- S(f);
- Try
- P(E);CHECK,XP(e)
- Refutation
- K(g);P_SPINR(b),S_FLIGHT,XP(E)
- Try
- Actual
- Q(C);
- Vars
- B(c);CHECK,XP(D)::S(B),XB(c)
- R(b);XS(B)::P(E),XP(e)
- S(f);XP(F)::S(B),XS(f)
- P(e);OGATE,XP(E)::QAR2(C),XP(e)
- R(b);::P(E),XP(e)
- B(c);N_PINP(D)::P(D)
- S(f);OGATE::QAR(C),XP(h)
- S(f);N_PINP(D),SBLOCK::R1(I)
- S(f);N_PINP(D)::P(D)
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).