MESON Chess Problem Database
Problem Display
PID: 75817 (2B4K/B4NnQ/2p5/3k2p1/2p5/8/4N3/2r5 w - - 0 1)
Anonymous
Chess Amateur (The), 1910
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 1...Rh1
- 2.Sc3#
- 2.Qxh1#
- 1...Rc2
- 2.Qh1#
- 1...Rc3
- 2.Sxc3#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...c3
- 2.Qd3#
- 1...g4
- 2.Sf4#
- 1...Ra1
- Tries
- 1.Kxg7?
- threat
- 2.Qf5#
- 1...c3
- 2.Qd3#
- 1...Rf1
- 2.Sc3#
- 1...c5!
- threat
- 1.Kg8?
- 1...Sf5
- 2.Qxf5#
- 1...c3
- 2.Qd3#
- 1...Ra1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 1...Rh1
- 2.Sc3#
- 2.Qxh1#
- 1...Rc2
- 2.Qh1#
- 1...Rc3
- 2.Sxc3#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g4
- 2.Sf4#
- 1...c5!
- 1...Sf5
- 1.Sxc1?
- threat
- 2.Qh1#
- 1...c3
- 2.Qd3#
- 1...Sh5
- 2.Qf5#
- 1...c5!
- threat
- 1.Sg3?
- threat
- 2.Qe4#
- 1...Rh1
- 2.Qxh1#
- 1...Sf5
- 2.Qxf5#
- 1...Re1!
- threat
- 1.Bg1?
- threat
- 2.Qh1#
- 1...c3
- 2.Qd3#
- 1...Rf1
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Sh5
- 2.Qf5#
- 1...Rxg1!
- threat
- 1.Bf2?
- 1...Sf5
- 2.Qxf5#
- 1...c3
- 2.Qd3#
- 1...Ra1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 1...Rh1
- 2.Sc3#
- 2.Qxh1#
- 1...Rc2
- 2.Qh1#
- 1...Rc3
- 2.Sxc3#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g4
- 2.Sf4#
- 1...c5!
- 1...Sf5
- 1.Be3?
- 1...Sf5
- 2.Qxf5#
- 1...c3
- 2.Qd3#
- 1...Ra1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 1...Rh1
- 2.Sc3#
- 2.Qxh1#
- 1...Rc2
- 2.Qh1#
- 1...Rc3
- 2.Sxc3#
- 2.Qh1#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g4
- 2.Sf4#
- 1...c5!
- 1...Sf5
- 1.Bb6?
- 1...Sf5
- 2.Qxf5#
- 1...c3
- 2.Qd3#
- 1...Ra1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 1...Rh1
- 2.Sc3#
- 2.Qxh1#
- 1...Rc2
- 2.Qh1#
- 1...Rc3
- 2.Sxc3#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g4
- 2.Sf4#
- 1...c5!
- 1...Sf5
- 1.Bg4?
- 1...Sf5
- 2.Qxf5#
- 1...c3
- 2.Qd3#
- 1...Ra1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 1...Rh1
- 2.Sc3#
- 2.Qxh1#
- 1...Rc2
- 2.Qh1#
- 1...Rc3
- 2.Sxc3#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Bf3#
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...c5!
- 1...Sf5
- 1.Be6+?
- 1...Sxe6
- 2.Qf5#
- 1...Kxe6!
- 1...Sxe6
- 1.Bd7?
- 1...Sf5
- 2.Qxf5#
- 1...c3
- 2.Qd3#
- 1...Ra1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 1...Rh1
- 2.Sc3#
- 2.Qxh1#
- 1...Rc2
- 2.Qh1#
- 1...Rc3
- 2.Sxc3#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g4
- 2.Sf4#
- 1...c5!
- 1...Sf5
- 1.Qh3?
- threat
- 2.Qg2#
- 2.Qf3#
- 1...c3
- 2.Qd3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 2.Qf3#
- 1...Rh1
- 2.Sc3#
- 2.Qxh1#
- 1...Rc3
- 2.Sxc3#
- 1...g4
- 2.Qg2#
- 1...Ke4!
- threat
- 1.Kxg7?
- Keys
- 1.Qb1!
- 1...Rh1+
- 2.Qxh1#
- 1...Rxb1
- 2.Sc3#
- 1...Rc2
- 2.Qh1#
- 1...c3
- 2.Qd3#
- 1...c5
- 2.Qb7#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rg1
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g4
- 2.Sf4#
- 1...Rh1+
- 1.Qb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(D)
- R(a);N_GUARD::S(A),XR(a)
- S(f);N_GUARD::QAR2(D),XS(f)
- S(f);N_GUARD::QAR2(D)
- P(b);N_GUARD::QAR2(D)
- P(d);N_GUARD::S(A)
- Tries
- Try
- K(F);S_FLIGHT,XS(f)
- Threat
- QAR2(D)
- Vars
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- Refutation
- P(e);
- Try
- K(F);P-FLIGHT
- Vars
- S(f);N_GUARD::QAR2(D),XS(f)
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(D)
- R(a);N_GUARD::S(A),XR(a)
- S(f);N_GUARD::QAR2(D)
- P(d);N_GUARD::S(A)
- Refutation
- P(e);
- Try
- S(A);XR(a)
- Threat
- QAB(D)
- Vars
- P(b);N_GUARD::QAR2(D)
- S(f);N_GUARD::QAR2(D)
- Refutation
- P(e);
- Try
- S(A);
- Threat
- QAB1(D)
- Vars
- R(a);N_GUARD,P_PINQ(D)::QAB(D),XR(a)
- S(f);N_GUARD::QAR2(D),XS(f)
- Refutation
- R(a);
- Try
- B(B);
- Threat
- QAB(D)
- Vars
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- S(f);N_GUARD::QAR2(D)
- Refutation
- R(a);XB(B)
- Try
- B(B);
- Vars
- S(f);N_GUARD::QAR2(D),XS(f)
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(D)
- R(a);N_GUARD::S(A),XR(a)
- S(f);N_GUARD::QAR2(D)
- P(d);N_GUARD::S(A)
- Refutation
- P(e);
- Try
- B(B);
- Vars
- S(f);N_GUARD::QAR2(D),XS(f)
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(D)
- S(f);N_GUARD::QAR2(D)
- P(d);N_GUARD::S(A)
- Refutation
- P(e);
- Try
- B(B);
- Vars
- S(f);N_GUARD::QAR2(D),XS(f)
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(D)
- R(a);N_GUARD::S(A),XR(a)
- S(f);N_GUARD::QAR2(D)
- P(d);N_GUARD::S(A)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- S(f);N_GUARD::QAR2(D),XS(f)
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(D)
- R(a);N_GUARD::S(A),XR(a)
- S(f);N_GUARD::QAR2(D)
- Refutation
- P(e);
- Try
- B(E);CHECK
- Vars
- S(f);XB(E)::QAR2(D)
- Refutation
- K(c);S_FLIGHT,XB(E)
- Try
- B(E);
- Vars
- S(f);N_GUARD::QAR2(D),XS(f)
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(D)
- R(a);N_GUARD::S(A),XR(a)
- S(f);N_GUARD::QAR2(D)
- P(d);N_GUARD::S(A)
- Refutation
- P(e);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(b);N_GUARD::QAR2(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- P(d);::QAB(D)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- Q(D);
- Vars
- R(a);CHECK,OGATE::QAB(D),XR(a)
- R(a);N_GUARD,XQ(D)::S(A)
- R(a);OGATE::QAB(D)
- P(b);N_GUARD::QAR2(D)
- P(e);OGATEB::QAB(D)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- S(f);N_GUARD::QAR2(D),XS(f)
- S(f);N_GUARD::QAR2(D)
- P(d);N_GUARD::S(A)
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).