MESON Chess Problem Database
Problem Display
PID: 161168 (8/8/3b4/8/3Q2R1/5k2/3n1P2/4K3 w - - 0 1)
Lincoln, Robert A
British Chess Magazine, 2017
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Rg3#
- 2.Qf4#
- 1...Bg3
- 2.Rxg3#
- 1...Bb4
- 2.Rg3#
- 2.Qf4#
- 1...Bf4
- 2.Qxf4#
- 1...Bc5
- 2.Rg3#
- 2.Qf4#
- 1...Be7
- 2.Rg3#
- 2.Qf4#
- 1...Bf8
- 2.Rg3#
- 2.Qf4#
- 1...Sb1
- 2.Qd1#
- 2.Qe4#
- 1...Sf1
- 2.Qd1#
- 2.Qe4#
- 1...Sb3
- 2.Qd1#
- 2.Qe4#
- 1...Sc4
- 2.Qd1#
- 2.Qe4#
- 1...Se4
- 2.Qd1#
- 2.Qxe4#
- 1...Ba3
- Tries
- 1.Rg1?
- threat
- 2.Qe3#
- 2.Qg4#
- 1...Se4
- 2.Qe3#
- 1...Bg3
- 2.Rxg3#
- 1...Bc5
- 2.Rg3#
- 2.Qg4#
- 1...Sf1
- 2.Qg4#
- 1...Sc4
- 2.Qg4#
- 1...Bf4!
- threat
- 1.Rg5?
- threat
- 2.Qe3#
- 2.Qg4#
- 1...Bg3
- 2.Rxg3#
- 1...Se4
- 2.Qe3#
- 1...Bc5
- 2.Rg3#
- 2.Qg4#
- 1...Sf1
- 2.Qg4#
- 1...Sc4
- 2.Qg4#
- 1...Bf4!
- threat
- 1.Rg6?
- threat
- 2.Qe3#
- 2.Qg4#
- 1...Bg3
- 2.Rxg3#
- 1...Se4
- 2.Qe3#
- 1...Bc5
- 2.Rg3#
- 2.Qg4#
- 1...Sf1
- 2.Qg4#
- 1...Sc4
- 2.Qg4#
- 1...Bf4!
- threat
- 1.Rg7?
- threat
- 2.Qe3#
- 2.Qg4#
- 1...Bg3
- 2.Rxg3#
- 1...Se4
- 2.Qe3#
- 1...Bc5
- 2.Rg3#
- 2.Qg4#
- 1...Sf1
- 2.Qg4#
- 1...Sc4
- 2.Qg4#
- 1...Bf4!
- threat
- 1.Rg8?
- threat
- 2.Qe3#
- 2.Qg4#
- 1...Bg3
- 2.Rxg3#
- 1...Se4
- 2.Qe3#
- 1...Bc5
- 2.Rg3#
- 2.Qg4#
- 1...Sf1
- 2.Qg4#
- 1...Sc4
- 2.Qg4#
- 1...Bf4!
- threat
- 1.Qf6+?
- 1...Bf4
- 2.Qxf4#
- 1...Kxg4!
- 1...Bf4
- 1.Qc4?
- threat
- 2.Qe2#
- 1...Bg3
- 2.Rxg3#
- 1...Sxc4!
- threat
- 1.Qd5+?
- 1...Se4
- 2.Qxe4#
- 2.Qd1#
- 1...Kxg4!
- 1...Se4
- 1.Qxd6?
- threat
- 2.Qg3#
- 2.Qf4#
- 1...Sf1
- 2.Qf4#
- 2.Qd1#
- 1...Se4
- 2.Qf4#
- 2.Qd1#
- 1...Kxg4!
- threat
- 1.Rg1?
- Keys
- 1.Qa4!
- threat
- 2.Qd1#
- 1...Bg3
- 2.Rxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Sb3
- 2.Qe4#
- threat
- 1.Qa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD,P_PINP(B)::R1(D),XB(c)
- B(c);N_GUARD::QAR1(C),XB(c)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAR1(C)
- B(c);N_GUARD,P_PINP(B)::R1(D),XB(c)
- S(a);::QAB1(C)
- Refutation
- B(c);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,P_PINP(B)::R1(D),XB(c)
- S(a);::QAR1(C)
- S(a);::QAB1(C)
- Refutation
- B(c);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,P_PINP(B)::R1(D),XB(c)
- S(a);::QAR1(C)
- S(a);::QAB1(C)
- Refutation
- B(c);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,P_PINP(B)::R1(D),XB(c)
- S(a);::QAR1(C)
- S(a);::QAB1(C)
- Refutation
- B(c);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,P_PINP(B)::R1(D),XB(c)
- S(a);::QAR1(C)
- S(a);::QAB1(C)
- Refutation
- B(c);
- Try
- Q(C);CHECK
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAR1(C),XB(c)
- Refutation
- K(b);S_FLIGHT,XR(D)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- B(c);N_GUARD,P_PINP(B)::R1(D),XB(c)
- Refutation
- S(a);XQ(C)
- Try
- Q(C);CHECK
- Refutation
- K(b);S_FLIGHT,XR(D)
- Try
- Q(C);XB(c)
- Threat
- DUALS(2)
- Refutation
- K(b);S_FLIGHT,XR(D)
- Try
- Actual
- Q(C);
- Threat
- QAB(C)
- Vars
- B(c);N_GUARD,P_PINP(B)::R1(D),XB(c)
- B(c);N_GUARD::QAR1(C),XB(c)
- S(a);N_GUARD::QAB1(C)
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).