MESON Chess Problem Database
Problem Display
PID: 224593 (2B1N3/8/2ppn3/3k4/2b1p3/2Q1P3/3K4/3R4 w - - 0 1)
Slater, George James
English Mechanic and World of Science, 1888
(First published on Fri Feb 10 1888)
#2
6 + 6
| 6490 | yacpdb | 2020 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sf6#
- 1...Ba2
- 2.Sf6#
- 1...Be2
- 2.Sf6#
- 1...Bb3
- 2.Sf6#
- 1...Bd3
- 2.Sf6#
- 1...Bb5
- 2.Sf6#
- 1...Ba6
- 2.Sf6#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Sc7#
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Bf1
- Tries
- 1.Kc1+?
- 1...Bd3
- 2.Sf6#
- 1...Sd4
- 2.Qxd4#
- 1...Kc5!
- 1...Bd3
- 1.Ke1+?
- 1...Bd3
- 2.Sf6#
- 1...Sd4
- 2.Qxd4#
- 1...Kc5!
- 1...Bd3
- 1.Sc7+?
- 1...Sxc7
- 2.Qd4#
- 1...Kc5!
- 1...Sxc7
- 1.Sg7?
- 1...Sxg7
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Bf1
- 2.Bxe6#
- 1...Ba2
- 2.Bxe6#
- 1...Be2
- 2.Bxe6#
- 1...Bb3
- 2.Bxe6#
- 1...Bd3
- 2.Bxe6#
- 1...Bb5
- 2.Bxe6#
- 1...Ba6
- 2.Bxe6#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Kc5!
- 1...Sxg7
- 1.Bd7?
- 1...Sd4
- 2.Qxd4#
- 1...Bf1
- 2.Sf6#
- 2.Bxc6#
- 1...Ba2
- 2.Sf6#
- 2.Bxc6#
- 1...Be2
- 2.Sf6#
- 2.Bxc6#
- 1...Bb3
- 2.Sf6#
- 2.Bxc6#
- 1...Bd3
- 2.Sf6#
- 2.Bxc6#
- 1...Bb5
- 2.Sf6#
- 1...Ba6
- 2.Sf6#
- 2.Bxc6#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Sc7#
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...c5
- 2.Sf6#
- 1...Kc5!
- 1...Sd4
- 1.Ra1?
- 1...Sd4
- 2.Qxd4#
- 1...Bf1
- 2.Sf6#
- 1...Ba2
- 2.Sf6#
- 1...Be2
- 2.Sf6#
- 1...Bb3
- 2.Sf6#
- 1...Bd3
- 2.Sf6#
- 1...Bb5
- 2.Sf6#
- 1...Ba6
- 2.Sf6#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Sc7#
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Kc5!
- 1...Sd4
- 1.Rb1?
- 1...Sd4
- 2.Qxd4#
- 1...Bf1
- 2.Sf6#
- 1...Ba2
- 2.Sf6#
- 1...Be2
- 2.Sf6#
- 1...Bb3
- 2.Sf6#
- 1...Bd3
- 2.Sf6#
- 1...Bb5
- 2.Sf6#
- 1...Ba6
- 2.Sf6#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Sc7#
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Kc5!
- 1...Sd4
- 1.Re1?
- 1...Sd4
- 2.Qxd4#
- 1...Bf1
- 2.Sf6#
- 1...Ba2
- 2.Sf6#
- 1...Be2
- 2.Sf6#
- 1...Bb3
- 2.Sf6#
- 1...Bd3
- 2.Sf6#
- 1...Bb5
- 2.Sf6#
- 1...Ba6
- 2.Sf6#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Sc7#
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Kc5!
- 1...Sd4
- 1.Rf1?
- threat
- 2.Rf5#
- 1...Bxf1
- 2.Sf6#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Kc5!
- threat
- 1.Rg1?
- 1...Sd4
- 2.Qxd4#
- 1...Bf1
- 2.Sf6#
- 1...Ba2
- 2.Sf6#
- 1...Be2
- 2.Sf6#
- 1...Bb3
- 2.Sf6#
- 1...Bd3
- 2.Sf6#
- 1...Bb5
- 2.Sf6#
- 1...Ba6
- 2.Sf6#
- 1...Sf4
- 2.Rg5#
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Sc7#
- 2.Rg5#
- 2.Qd4#
- 1...Sg5
- 2.Rxg5#
- 2.Qd4#
- 1...Sc7
- 2.Rg5#
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Rg5#
- 2.Qd4#
- 1...Sf8
- 2.Rg5#
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Kc5!
- 1...Sd4
- 1.Rh1?
- 1...Sd4
- 2.Qxd4#
- 1...Bf1
- 2.Sf6#
- 1...Ba2
- 2.Sf6#
- 1...Be2
- 2.Sf6#
- 1...Bb3
- 2.Sf6#
- 1...Bd3
- 2.Sf6#
- 1...Bb5
- 2.Sf6#
- 1...Ba6
- 2.Sf6#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Sc7#
- 2.Rh5#
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Rh5#
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Rh5#
- 2.Qd4#
- 1...Sf8
- 2.Rh5#
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Kc5!
- 1...Sd4
- 1.Qxc4+?
- 1...Ke5
- 2.Qxe6#
- 1...Kxc4!
- 1...Ke5
- 1.Kc1+?
- Keys
- 1.Rc1!
- 1...Kc5
- 2.Qa5#
- 1...Sd4
- 2.Qxd4#
- 1...Bf1
- 2.Sf6#
- 1...Ba2
- 2.Sf6#
- 1...Be2
- 2.Sf6#
- 1...Bb3
- 2.Sf6#
- 1...Bd3
- 2.Sf6#
- 1...Bb5
- 2.Sf6#
- 1...Ba6
- 2.Sf6#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Sc7#
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Kc5
- 1.Rc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);::S(F)
- S(f);N_GUARD::QAR1(C),XS(f)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
- Tries
- Try
- K(B);CHECK,S_FLIGHT
- Vars
- B(a);P_SPINB(a)::S(F)
- S(f);N_GUARD,P_SPINS(f)::QAR1(C),XS(f)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- K(B);CHECK,S_FLIGHT
- Vars
- B(a);P_SPINB(a)::S(F)
- S(f);N_GUARD,P_SPINS(f)::QAR1(C),XS(f)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- S(F);CHECK
- Vars
- S(f);XS(F)::QAR1(C)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- S(F);
- Vars
- S(f);N_GUARD,XS(F)::QAR1(C)
- S(f);N_GUARD::QAR1(C),XS(f)
- B(a);::B(E),XS(f)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- B(E);
- Vars
- S(f);N_GUARD::QAR1(C),XS(f)
- B(a);::S(F)
- S(f);N_GUARD::QAR1(C)
- P(d);SBLOCK::S(F)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- R(A);
- Vars
- S(f);N_GUARD::QAR1(C),XS(f)
- B(a);::S(F)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- R(A);
- Vars
- S(f);N_GUARD::QAR1(C),XS(f)
- B(a);::S(F)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- R(A);
- Vars
- S(f);N_GUARD::QAR1(C),XS(f)
- B(a);::S(F)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- R(A);
- Threat
- R(A)
- Vars
- B(a);XR(A)::S(F)
- S(f);N_GUARD::QAR1(C),XS(f)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- R(A);
- Vars
- S(f);N_GUARD::QAR1(C),XS(f)
- B(a);::S(F)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- R(A);
- Vars
- S(f);N_GUARD::QAR1(C),XS(f)
- B(a);::S(F)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a)
- Try
- Q(C);CHECK,XB(a)
- Vars
- K(c);OGATE,P-FLIGHT::QAR1(C),XS(f)
- Refutation
- K(c);S_FLIGHT,XQ(C)
- Try
- Actual
- R(A);
- Vars
- K(c);P-FLIGHT,P_SPINB(a)::QAR2(C)
- S(f);N_GUARD::QAR1(C),XS(f)
- B(a);::S(F)
- S(f);N_GUARD::QAR1(C)
- P(d);OGATEB,SBLOCK::B(E)
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).