MESON Chess Problem Database
Problem Display
PID: 101262 (5n2/2N1p3/4n2K/rp1B3P/3k4/BR2N1Q1/2P5/2br4 w - - 0 1)
Tucker, Frederick G
Good Companions, 1919
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Rd3#
- 1...Rf1
- 2.Rd3#
- 1...Rg1
- 2.Rd3#
- 1...Rh1
- 2.Rd3#
- 1...Rd2
- 2.Sf5#
- 1...Rd3
- 2.Rxd3#
- 1...Ra4
- 2.Sxb5#
- 1...Ra6
- 2.Sxb5#
- 1...Ra7
- 2.Sxb5#
- 1...Ra8
- 2.Sxb5#
- 1...Bb2
- 2.Sf5#
- 1...Bd2
- 2.Rd3#
- 1...Bxe3+
- 2.Qxe3#
- 1...Sf4
- 2.Qxf4#
- 1...Sg5
- 2.Sf5#
- 1...Sxc7
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...Sd8
- 2.Qf4#
- 1...Sg6
- 2.Sxe6#
- 1...Sd7
- 2.Sxe6#
- 1...Sh7
- 2.Sxe6#
- 1...Re1
- Tries
- 1.Bd6?
- threat
- 2.Qe5#
- 1...Bxe3+
- 2.Qxe3#
- 1...Sf4
- 2.Sf5#
- 2.Qxf4#
- 1...Sg6
- 2.Sxe6#
- 1...Sd7
- 2.Sxe6#
- 1...exd6!
- threat
- 1.Bxe7?
- 1...Bxe3+
- 2.Qxe3#
- 1...Sxc7
- 2.Qf4#
- 2.Qg7#
- 1...Sf4
- 2.Qxf4#
- 2.Qg7#
- 1...Re1
- 2.Rd3#
- 1...Rf1
- 2.Rd3#
- 1...Rg1
- 2.Rd3#
- 1...Rh1
- 2.Rd3#
- 1...Rd2
- 2.Sf5#
- 1...Rd3
- 2.Rxd3#
- 1...Ra1
- 2.Sxb5#
- 1...Ra2
- 2.Sxb5#
- 1...Ra3
- 2.Sxb5#
- 1...Ra4
- 2.Sxb5#
- 1...Ra6
- 2.Sxb5#
- 1...Ra7
- 2.Sxb5#
- 1...Ra8
- 2.Sxb5#
- 1...Bb2
- 2.Sf5#
- 1...Bd2
- 2.Rd3#
- 1...Ba3
- 2.Sf5#
- 1...Sc5
- 2.Bf6#
- 2.Qg7#
- 1...Sg5
- 2.Sf5#
- 1...Sg7
- 2.Qf4#
- 2.Qxg7#
- 1...Sd8
- 2.Qf4#
- 2.Qg7#
- 1...Sg6
- 2.Sxe6#
- 1...Sd7
- 2.Sxe6#
- 1...Sh7
- 2.Sxe6#
- 1...b4!
- 1...Bxe3+
- 1.Qh4+?
- 1...Sf4
- 2.Qxf4#
- 1...Ke5!
- 1...Sf4
- 1.Qg4+?
- 1...Sf4
- 2.Qxf4#
- 1...Ke5!
- 1...Sf4
- 1.Bd6?
- Keys
- 1.Bb4!
- 1...Bxe3+
- 2.Qxe3#
- 1...Sxc7
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Re1
- 2.Rd3#
- 1...Rf1
- 2.Rd3#
- 1...Rg1
- 2.Rd3#
- 1...Rh1
- 2.Rd3#
- 1...Rd2
- 2.Sf5#
- 1...Rd3
- 2.Rxd3#
- 1...Ra1
- 2.Sxb5#
- 1...Ra2
- 2.Sxb5#
- 1...Ra3
- 2.Sxb5#
- 1...Ra4
- 2.Sxb5#
- 1...Ra6
- 2.Sxb5#
- 1...Ra7
- 2.Sxb5#
- 1...Ra8
- 2.Sxb5#
- 1...Bb2
- 2.Sf5#
- 1...Bd2
- 2.Rd3#
- 1...Ba3
- 2.Sf5#
- 1...Sc5
- 2.Bc3#
- 1...Sg5
- 2.Sf5#
- 1...Sg7
- 2.Qf4#
- 1...Sd8
- 2.Qf4#
- 1...Sg6
- 2.Sxe6#
- 1...Sd7
- 2.Sxe6#
- 1...Sh7
- 2.Sxe6#
- 1...Bxe3+
- 1.Bb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::R1(C)
- R(b);N_GUARD,P_PINP(G)::R1(C)
- R(b);N_PINS(D)::S(D)
- R(b);N_GUARD::R1(C),XR(b)
- R(d);N_GUARD::S(I),XP(e)
- B(a);N_PINS(D)::S(D)
- B(a);S_CUTR(b)::R1(C)
- B(a);CHECK,OGATE,XS(D)::QAB1(E),XB(a)
- S(f);N_GUARD,N_PINS(D)::QAR2(E),XS(f)
- S(f);N_PINS(D)::S(D)
- S(f);N_GUARD,XS(I)::QAR2(E)
- S(f);N_GUARD::QAR2(E)
- S(h);N_GUARD::S(I),XS(f)
- Tries
- Try
- B(B);
- Threat
- QAB1(E)
- Vars
- B(a);CHECK,OGATE,XS(D)::QAB1(E),XB(a)
- S(h);N_GUARD::S(I),XS(f)
- Refutation
- P(g);XB(B)
- Try
- B(B);XP(g)
- Vars
- B(a);CHECK,OGATE,XS(D)::QAB1(E),XB(a)
- R(b);N_GUARD::R1(C)
- R(b);N_GUARD,P_PINP(G)::R1(C)
- R(b);N_PINS(D)::S(D)
- R(b);N_GUARD::R1(C),XR(b)
- R(d);N_GUARD::S(I),XP(e)
- B(a);N_PINS(D)::S(D)
- B(a);S_CUTR(b)::R1(C)
- S(f);N_PINS(D)::S(D)
- S(h);N_GUARD::S(I),XS(f)
- Refutation
- P(e);
- Try
- Q(E);CHECK
- Vars
- S(f);N_GUARD,N_PINS(D),P_SPINS(f)::QAR2(E),XS(f)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(E);CHECK
- Vars
- S(f);N_GUARD,N_PINS(D),P_SPINS(f)::QAR2(E),XS(f)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- B(B);
- Vars
- B(a);CHECK,OGATE,XS(D)::QAB1(E),XB(a)
- S(f);N_GUARD,XS(I)::QAR2(E)
- S(f);N_GUARD,N_PINS(D)::QAR2(E),XS(f)
- R(b);N_GUARD::R1(C)
- R(b);N_GUARD,P_PINP(G)::R1(C)
- R(b);N_PINS(D)::S(D)
- R(b);N_GUARD::R1(C),XR(b)
- R(d);N_GUARD::S(I),XP(e)
- B(a);N_PINS(D)::S(D)
- B(a);S_CUTR(b)::R1(C)
- S(f);SBLOCK::B(B)
- S(f);N_PINS(D)::S(D)
- S(f);N_GUARD::QAR2(E)
- S(h);N_GUARD::S(I),XS(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).