MESON Chess Problem Database
Problem Display
PID: 209320 (8/8/3n4/7Q/7b/6pk/8/4B1K1 w - - 0 1)
Lewis, Robert Tony
The Problemist, 1984
#2
3 + 4
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g2
- 2.Qxh4#
- 1...Sc4
- Tries
- 1.Kh1?
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g2+!
- 1...Sc4
- 1.Bd2?
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g2!
- 1...Sc4
- 1.Bf2?
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g2
- 2.Qxh4#
- 1...gxf2+!
- 1...Sc4
- 1.Bc3?
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g2!
- 1...Sc4
- 1.Bb4?
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g2!
- 1...Sc4
- 1.Ba5?
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g2!
- 1...Sc4
- 1.Qg6?
- 1...Bf6
- 2.Qxg3#
- 1...Be7
- 2.Qxg3#
- 1...Bd8
- 2.Qxg3#
- 1...Sc4
- 2.Qf5#
- 2.Qe6#
- 1...Se4
- 2.Qf5#
- 2.Qe6#
- 1...Sb5
- 2.Qf5#
- 2.Qe6#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 2.Qe6#
- 1...Sf7
- 2.Qf5#
- 2.Qe6#
- 1...Sc8
- 2.Qf5#
- 2.Qe6#
- 1...Se8
- 2.Qf5#
- 2.Qe6#
- 1...g2
- 2.Qxg2#
- 1...Bg5!
- 1...Bf6
- 1.Qg5?
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g2
- 2.Qxh4#
- 2.Qxg2#
- 1...Bxg5!
- 1...Sc4
- 1.Qh7?
- 1...Sf5
- 2.Qxf5#
- 1...Sc4
- 2.Qf5#
- 2.Qd7#
- 1...Se4
- 2.Qf5#
- 2.Qd7#
- 1...Sb5
- 2.Qf5#
- 2.Qd7#
- 1...Sb7
- 2.Qf5#
- 2.Qd7#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 2.Qd7#
- 1...Se8
- 2.Qf5#
- 2.Qd7#
- 1...g2
- 2.Qxh4#
- 1...Kg4!
- 1...Sf5
- 1.Kh1?
- Keys
- 1.Qf3!
- 1...Bg5
- 2.Qxg3#
- 1...Bf6
- 2.Qxg3#
- 1...Be7
- 2.Qxg3#
- 1...Bd8
- 2.Qxg3#
- 1...Sc4
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...Bg5
- 1.Qf3!
Anticipated by 203239(1924)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(d)
- P(a);::QAR1(C),XB(c)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(d)
- Refutation
- P(a);CHECK
- Try
- B(A);
- Vars
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(d)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(d)
- P(a);::QAR1(C),XB(c)
- Refutation
- P(a);CHECK,XB(A)
- Try
- B(A);
- Vars
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(d)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(d)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(d)
- Refutation
- P(a);
- Try
- Q(C);N_PINB(c)
- Vars
- B(c);N_GUARD::QAR1(C),XP(a)
- S(d);N_GUARD::QAB(C),XS(d)
- P(a);OGATE::QAB1(C),XP(a)
- Refutation
- B(c);
- Try
- Q(C);N_PINB(c)
- Vars
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(d)
- Refutation
- B(c);XQ(C)
- Try
- Q(C);
- Vars
- S(d);N_GUARD::QAB(C),XS(d)
- S(d);N_GUARD::QAB(C)
- P(a);::QAR1(C),XB(c)
- Refutation
- K(b);N_SPINB(c),S_FLIGHT
- Try
- Actual
- Q(C);N_PINB(c),P_PINP(a)
- Vars
- B(c);N_GUARD::QAR1(C),XP(a)
- S(d);N_GUARD::QAB(C)
- S(d);N_GUARD::QAB(C),XS(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).