MESON Chess Problem Database
Problem Display
PID: 263577 (5K2/8/3p1P2/2N3Q1/Rb1k4/1P6/nP1n2p1/4R3 w - - 0 1)
Brogi, Giuseppe
Skakbladet, 1961
#2
8 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sxb3
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...dxc5
- 2.Qxd2#
- 1...d5
- 2.Qe3#
- 1...Sb1
- Tries
- 1.Re2?
- threat
- 2.Rxd2#
- 1...Sxb3
- 2.Re4#
- 1...dxc5
- 2.Qxd2#
- 1...d5
- 2.Qe3#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sc1!
- threat
- 1.Re3?
- threat
- 2.Se6#
- 2.Rd3#
- 1...Sxb3
- 2.Re4#
- 1...dxc5
- 2.Qe5#
- 1...Sc1
- 2.Se6#
- 1...d5!
- threat
- 1.Re5?
- threat
- 2.Rd5#
- 2.Qe3#
- 1...Sxb3
- 2.Re4#
- 2.Qf4#
- 1...dxc5
- 2.Qe3#
- 1...d5
- 2.Rxd5#
- 2.Qe3#
- 1...g1Q
- 2.Rd5#
- 1...g1B
- 2.Rd5#
- 1...Sc3
- 2.Qe3#
- 1...Sf1
- 2.Re4#
- 2.Rd5#
- 2.Qf4#
- 1...Sc4
- 2.Re4#
- 2.Rd5#
- 2.Qf4#
- 1...Se4
- 2.Rxe4#
- 2.Rd5#
- 1...dxe5!
- threat
- 1.Re6?
- threat
- 2.Rxd6#
- 1...Sxb3
- 2.Re4#
- 1...dxc5
- 2.Qxd2#
- 1...d5
- 2.Qe3#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sc3!
- threat
- 1.Rxb4+?
- 1...Sc4
- 2.Rd1#
- 2.Re4#
- 2.Rxc4#
- 1...Sxb4!
- 1...Sc4
- 1.Ra6?
- threat
- 2.Rxd6#
- 1...Bxc5
- 2.Qxd2#
- 1...Sxb3
- 2.Re4#
- 1...dxc5
- 2.Rd6#
- 1...d5
- 2.Qe3#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sc3!
- threat
- 1.Re2?
- Keys
- 1.Qf5!
- threat
- 2.Se6#
- 1...Sxb3
- 2.Re4#
- 1...dxc5
- 2.Qd7#
- 1...d5
- 2.Qf2#
- 1...Se4
- 2.Rxe4#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD,XP(C)::R1(A)
- S(b);N_GUARD,N_SPINB(d)::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- P(f);SBLOCK,XS(E)::QAR2(F),XS(b)
- P(f);P_PINS(E),SBLOCK::QAB1(F)
- Tries
- Try
- R(A);
- Threat
- R(A),XS(b)
- Vars
- S(b);N_GUARD,XP(C)::R1(A)
- P(f);SBLOCK,XS(E)::QAR2(F),XS(b)
- P(f);P_PINS(E),SBLOCK::QAB1(F)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD,N_SPINB(d)::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- S(a);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,XP(C)::R1(A)
- P(f);N_GUARD,XS(E)::QAB1(F)
- S(a);::S(E)
- Refutation
- P(f);P_PINS(E)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- P(f);XS(E)::QAB1(F)
- P(c);::R1(A)
- S(a);::QAB1(F)
- Refutation
- P(f);P_PINS(E),XR(A)
- Try
- R(A);
- Threat
- R(A),XP(f)
- Vars
- S(b);N_GUARD,XP(C)::R1(A)
- P(f);SBLOCK,XS(E)::QAR2(F),XS(b)
- P(f);P_PINS(E),SBLOCK::QAB1(F)
- S(b);N_GUARD,N_SPINB(d)::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- S(a);
- Try
- R(D);CHECK,XB(d)
- Refutation
- S(a);XR(D)
- Try
- R(D);N_PINB(d)
- Threat
- R(D),XP(f)
- Vars
- B(d);N_GUARD,SBLOCK,XS(E)::QAR2(F),XS(b)
- S(b);N_GUARD,XP(C)::R1(A)
- P(f);XS(E)::R(D)
- P(f);P_PINS(E),SBLOCK::QAB1(F)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- S(a);
- Try
- Actual
- Q(F);
- Threat
- S(E)
- Vars
- S(b);N_GUARD,XP(C)::R1(A)
- P(f);OGATEB,SBLOCK,XS(E)::QAR(F)
- P(f);P_PINS(E),SBLOCK::QAB(F)
- S(b);N_GUARD::R1(A),XS(b)
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).