MESON Chess Problem Database
Problem Display
PID: 243693 (8/8/8/3K2n1/Q7/2pk4/3p1R2/8 w - - 0 1)
Battaglia, Emilio
Shakhmaty v SSSR, 1935
#2
3 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ke3
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...d1Q
- 2.Qd4#
- 1...d1S
- 2.Qd4#
- 1...d1B
- 2.Qd4#
- 1...d1R
- 2.Qd4#
- 1...c2
- 2.Qb3#
- 2.Qa3#
- 2.Qd4#
- 1...Ke3
- Tries
- 1.Re2?
- 1...c2
- 2.Qc4#
- 1...d1Q
- 2.Qxd1#
- 2.Qb5#
- 2.Qc4#
- 2.Qa6#
- 1...d1S
- 2.Qxd1#
- 2.Qc2#
- 2.Qb5#
- 2.Qc4#
- 2.Qa6#
- 1...d1B
- 2.Qxd1#
- 2.Qb5#
- 2.Qc4#
- 2.Qa6#
- 1...d1R
- 2.Qxd1#
- 2.Qc2#
- 2.Qb5#
- 2.Qc4#
- 2.Qa6#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Kxe2!
- 1...c2
- 1.Rg2?
- 1...c2
- 2.Qb3#
- 2.Qa3#
- 2.Qd4#
- 1...d1Q
- 2.Qd4#
- 1...d1S
- 2.Qd4#
- 1...d1B
- 2.Qd4#
- 1...d1R
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Ke3!
- 1...c2
- 1.Rh2?
- 1...c2
- 2.Qb3#
- 2.Qa3#
- 2.Qd4#
- 1...d1Q
- 2.Qd4#
- 1...d1S
- 2.Qd4#
- 1...d1B
- 2.Qd4#
- 1...d1R
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Ke3!
- 1...c2
- 1.Rf3+?
- 1...Sxf3
- 2.Qe4#
- 1...Ke2!
- 1...Sxf3
- 1.Qb5+?
- 1...Ke3
- 2.Qe2#
- 1...Kc2!
- 1...Ke3
- 1.Qb4?
- 1...Ke3
- 2.Qd4#
- 1...d1Q
- 2.Qd4#
- 1...d1S
- 2.Qd4#
- 1...d1B
- 2.Qd4#
- 1...d1R
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...c2
- 2.Qxd2#
- 2.Qa3#
- 2.Qb3#
- 2.Qd4#
- 1...Kc2!
- 1...Ke3
- 1.Qc4+?
- 1...Ke3
- 2.Qe2#
- 2.Qd4#
- 1...Kc2!
- 1...Ke3
- 1.Qf4?
- 1...d1Q
- 2.Qd4#
- 1...d1S
- 2.Qd4#
- 1...d1B
- 2.Qd4#
- 1...d1R
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...c2
- 2.Qxd2#
- 2.Qd4#
- 1...Kc2!
- 1...d1Q
- 1.Qg4?
- 1...Ke3
- 2.Qe2#
- 2.Qd4#
- 1...d1Q
- 2.Qd4#
- 1...d1S
- 2.Qe2#
- 2.Qd4#
- 1...d1B
- 2.Qd4#
- 1...d1R
- 2.Qe2#
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...c2
- 2.Qd4#
- 1...Kc2!
- 1...Ke3
- 1.Qh4?
- 1...Ke3
- 2.Qd4#
- 1...d1Q
- 2.Qd4#
- 1...d1S
- 2.Qd4#
- 1...d1B
- 2.Qd4#
- 1...d1R
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...c2
- 2.Qd4#
- 1...Kc2!
- 1...Ke3
- 1.Qa6+?
- 1...Ke3
- 2.Qe2#
- 1...Kc2!
- 1...Ke3
- 1.Re2?
- Keys
- 1.Qd1!
- 1...Ke3
- 2.Qe2#
- 1...c2
- 2.Qxd2#
- 1...Sf3
- 2.Rxf3#
- 1...Sh3
- 2.Rf3#
- 1...Se4
- 2.Rf3#
- 1...Se6
- 2.Rf3#
- 1...Sf7
- 2.Rf3#
- 1...Sh7
- 2.Rf3#
- 1...Ke3
- 1.Qd1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- K(c);P-FLIGHT::QAB1(B)
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- P(a);::QAR1(B)
- Tries
- Try
- R(A);
- Vars
- P(b);::QAB1(B)
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- Refutation
- K(c);S_FLIGHT,XR(A)
- Try
- R(A);
- Vars
- P(a);::QAR1(B)
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- Refutation
- K(c);P-FLIGHT
- Try
- R(A);
- Vars
- P(a);::QAR1(B)
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- Refutation
- K(c);P-FLIGHT
- Try
- R(A);CHECK
- Vars
- S(d);XR(A)::QAB1(B)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(c);OGATE,P-FLIGHT::QAR1(B)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- Q(B);
- Vars
- K(c);P-FLIGHT::QAB1(B)
- P(a);::QAR1(B)
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- Q(B);CHECK
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- Q(B);
- Vars
- P(a);::QAR1(B)
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- Q(B);
- Vars
- P(a);::QAR1(B)
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);SBLOCK::QAR1(B)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- Q(B);
- Vars
- K(c);P-FLIGHT::QAB1(B)
- P(a);::QAR1(B)
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);SBLOCK::QAR1(B)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(c);OGATE,P-FLIGHT::QAR1(B)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- Actual
- Q(B);P_PINP(a)
- Vars
- K(c);N_SPINP(a),P-FLIGHT::QAR1(B)
- P(b);N_GUARD::QAR1(B),XP(a)
- S(d);N_GUARD::R(A),XS(d)
- S(d);N_GUARD::R(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).