MESON Chess Problem Database
Problem Display
PID: 149053 (8/8/8/N1p5/2R1nQ2/B1nk1P2/8/4K3 w - - 0 1)
Seplowin, Samuel
Good Companions (May Meredith Ty.), 1918
#2
6 + 4
SOLUTION
- SOUND
- Sets
- 1...Kc2
- 2.Qxe4#
- 1...Sb1
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Se2
- 2.Qxe4#
- 1...Sa4
- 2.Qxe4#
- 1...Sb5
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sf2
- 2.Qd2#
- 1...Sg3
- 2.Qd2#
- 1...Sg5
- 2.Qd2#
- 1...Sd6
- 2.Qd2#
- 1...Sf6
- 2.Qd2#
- 1...Kc2
- Tries
- 1.Bc1?
- 1...Sb1
- 2.Qe3#
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qe3#
- 2.Qxe4#
- 1...Se2
- 2.Qe3#
- 2.Qxe4#
- 1...Sa4
- 2.Qe3#
- 2.Qxe4#
- 1...Sb5
- 2.Qe3#
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sf2
- 2.Qd2#
- 1...Sg3
- 2.Qd2#
- 1...Sg5
- 2.Qd2#
- 1...Sd6
- 2.Qd2#
- 1...Sf6
- 2.Qd2#
- 1...Kc2!
- 1...Sb1
- 1.Bb2?
- 1...Sb1
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Se2
- 2.Qxe4#
- 1...Sa4
- 2.Qxe4#
- 1...Sb5
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd2
- 2.Rxc3#
- 2.Qxd2#
- 1...Sf2
- 2.Rxc3#
- 2.Qd2#
- 1...Sg3
- 2.Rxc3#
- 2.Qd2#
- 1...Sg5
- 2.Rxc3#
- 2.Qd2#
- 1...Sd6
- 2.Rxc3#
- 2.Qd2#
- 1...Sf6
- 2.Rxc3#
- 2.Qd2#
- 1...Kc2!
- 1...Sb1
- 1.Bxc5?
- 1...Sxc5
- 2.Qd2#
- 1...Sb1
- 2.Qe3#
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qe3#
- 2.Qxe4#
- 1...Se2
- 2.Qe3#
- 2.Qxe4#
- 1...Sa4
- 2.Qe3#
- 2.Qxe4#
- 1...Sb5
- 2.Qe3#
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sf2
- 2.Qd2#
- 1...Sg3
- 2.Qd2#
- 1...Sg5
- 2.Qd2#
- 1...Sd6
- 2.Qd2#
- 1...Sf6
- 2.Qd2#
- 1...Kc2!
- 1...Sxc5
- 1.Rxc5?
- 1...Kc2
- 2.Qxe4#
- 1...Sxc5
- 2.Qd2#
- 1...Sb1
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Se2
- 2.Qxe4#
- 1...Sa4
- 2.Qxe4#
- 1...Sb5
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sf2
- 2.Qd2#
- 1...Sg3
- 2.Qd2#
- 1...Sg5
- 2.Qd2#
- 1...Sd6
- 2.Qd2#
- 1...Sf6
- 2.Qd2#
- 1...Kd4!
- 1...Kc2
- 1.Qe3+?
- 1...Kc2
- 2.Qxe4#
- 1...Kxe3!
- 1...Kc2
- 1.Qf5?
- 1...Kc2
- 2.Qxe4#
- 1...Sb1
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Se2
- 2.Qxe4#
- 1...Sa4
- 2.Qxe4#
- 1...Sb5
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Ke3!
- 1...Kc2
- 1.fxe4?
- threat
- 2.Qd2#
- 1...Sxe4
- 2.Qf3#
- 2.Qxe4#
- 1...Sb1
- 2.Qg3#
- 2.Qf3#
- 1...Kc2!
- threat
- 1.Bc1?
- Keys
- 1.Qe5!
- 1...Kc2
- 2.Qxe4#
- 1...Ke3
- 2.Rxc3#
- 1...Sb1
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Se2
- 2.Qxe4#
- 1...Sa4
- 2.Qxe4#
- 1...Sb5
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd2
- 2.Rxc3#
- 2.Qxc3#
- 1...Sf2
- 2.Rxc3#
- 2.Qxc3#
- 1...Sg3
- 2.Rxc3#
- 2.Qxc3#
- 1...Sg5
- 2.Rxc3#
- 2.Qxc3#
- 1...Sd6
- 2.Rxc3#
- 2.Qxc3#
- 1...Sf6
- 2.Rxc3#
- 2.Qxc3#
- 1...Kc2
- 1.Qe5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- K(b);P_SPINS(a),S_FLIGHT::QAB(E),XS(c)
- S(a);N_GUARD::QAB1(E),XS(c)
- S(c);N_GUARD::QAR1(E),XS(c)
- S(c);N_GUARD::QAR1(E)
- Tries
- Try
- B(B);
- Vars
- S(a);N_GUARD::QAB1(E),XS(c)
- S(c);N_GUARD::QAR1(E),XS(c)
- S(c);N_GUARD::QAR1(E)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(B);
- Vars
- S(a);N_GUARD::QAB1(E),XS(c)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(B);XP(d)
- Vars
- S(c);N_GUARD,XB(B)::QAR1(E)
- S(a);N_GUARD::QAB1(E),XS(c)
- S(c);N_GUARD::QAR1(E),XS(c)
- S(c);N_GUARD::QAR1(E)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- R(D);XP(d)
- Vars
- K(b);P_SPINS(a),S_FLIGHT::QAB(E),XS(c)
- S(c);N_GUARD,XR(D)::QAR1(E)
- S(a);N_GUARD::QAB1(E),XS(c)
- S(c);N_GUARD::QAR1(E),XS(c)
- S(c);N_GUARD::QAR1(E)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c)
- Try
- Q(E);CHECK
- Vars
- K(b);P_SPINS(a),S_FLIGHT::QAB(E),XS(c)
- Refutation
- K(b);P-FLIGHT,XQ(E)
- Try
- Q(E);P_PINS(c)
- Vars
- K(b);N_SPINS(c),P_SPINS(a),S_FLIGHT::QAB(E),XS(c)
- S(a);N_GUARD::QAB1(E),XS(c)
- Refutation
- K(b);N_SPINS(c),P-FLIGHT
- Try
- P(C);XS(c)
- Threat
- QAR1(E)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Actual
- Q(E);
- Vars
- K(b);P_SPINS(a),S_FLIGHT::QAB(E),XS(c)
- K(b);P-FLIGHT,P_SPINS(c)::R(D),XS(a)
- S(a);N_GUARD::QAB1(E),XS(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).