MESON Chess Problem Database
Problem Display
PID: 56397 (2Nn4/7q/p1P2B2/3k2P1/4R3/3K1P1B/2R5/2N5 w - - 0 1)
Brogi, Giuseppe
1st Comm., Sinfonie Scacchistiche, 1967
#2
10 + 4
| 254 | Stella Polaris | 1967 |
SOLUTION
- SOUND
- Sets
- 1...Qxe4+
- 2.fxe4#
- 1...Qg8
- 2.Rd4#
- 2.Re5#
- 1...Qxh3
- 2.Re5#
- 1...Qh4
- 2.Re5#
- 1...Qh5
- 2.Rd4#
- 2.Re5#
- 1...Qh6
- 2.Rd4#
- 2.Re5#
- 1...Qa7
- 2.Re5#
- 1...Qb7
- 2.Rd4#
- 2.Re5#
- 1...Qc7
- 2.Rd4#
- 1...Qd7
- 2.Rd4#
- 2.Re5#
- 1...Qe7
- 2.Rd4#
- 1...Qf7
- 2.Rd4#
- 2.Re5#
- 1...Qg7
- 2.Rd4#
- 2.Re5#
- 1...Qh8
- 2.Rd4#
- 2.Re5#
- 1...Sxc6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sf7
- 2.Be6#
- 1...Qxe4+
- Tries
- 1.Sa2?
- threat
- 2.Sb4#
- 1...Qxe4+
- 2.fxe4#
- 1...Sxc6
- 2.Be6#
- 1...Qb7
- 2.Rd4#
- 2.Re5#
- 1...Qe7
- 2.Rd4#
- 1...a5!
- threat
- 1.Se2?
- threat
- 2.Sf4#
- 1...Qxe4+
- 2.fxe4#
- 1...Qh4
- 2.Re5#
- 1...Qc7
- 2.Rd4#
- 1...Se6
- 2.Bxe6#
- 1...Qf5!
- threat
- 1.Se7+?
- 1...Qxe7
- 2.Rd4#
- 1...Kd6!
- 1...Qxe7
- 1.Bf5?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Sxc6
- 2.Be6#
- 1...Qh2
- 2.Rd4#
- 1...Qh4
- 2.Re5#
- 1...Qa7
- 2.Re5#
- 1...Qc7
- 2.Rd4#
- 1...Qe7
- 2.Rd4#
- 1...Se6
- 2.Bxe6#
- 2.Re5#
- 1...Sf7
- 2.Be6#
- 2.Rd4#
- 1...Qxf5!
- threat
- 1.Bd4?
- threat
- 2.Rc5#
- 1...Qxe4+
- 2.fxe4#
- 1...Qa7
- 2.Re5#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Qe7!
- threat
- 1.g6?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Qxh3
- 2.Re5#
- 1...Sxc6
- 2.Be6#
- 1...Qh4
- 2.Re5#
- 1...Qh5
- 2.Rd4#
- 1...Qa7
- 2.Re5#
- 1...Qc7
- 2.Rd4#
- 1...Qe7
- 2.Rd4#
- 1...Se6
- 2.Bxe6#
- 2.Re5#
- 1...Sf7
- 2.Be6#
- 2.Rd4#
- 1...Qxg6!
- threat
- 1.Sa2?
- Keys
- 1.Sb3!
- threat
- 2.Rc5#
- 1...Qxe4+
- 2.fxe4#
- 1...Qa7
- 2.Re5#
- 1...Qe7
- 2.Rd4#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- threat
- 1.Sb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(c);CHECK,OGATE,XR(F)::P(D),XQ(c)
- Q(c);N_PINR(F),P_PINP(D),XB(E)::R1(F)
- Q(c);N_PINR(F)::R1(F)
- S(d);N_GUARD,XP(H)::B(E)
- S(d);N_GUARD::B(E),XS(d)
- S(d);N_GUARD::B(E)
- Tries
- Try
- S(A);
- Threat
- S(A)
- Vars
- Q(c);CHECK,OGATE,XR(F)::P(D),XQ(c)
- S(d);N_GUARD,XP(H)::B(E)
- Q(c);N_PINR(F)::R1(F)
- Refutation
- P(b);
- Try
- S(A);
- Threat
- S(A)
- Vars
- Q(c);CHECK,OGATE,XR(F)::P(D),XQ(c)
- Q(c);N_PINR(F)::R1(F)
- S(d);N_GUARD::B(E),XS(d)
- Refutation
- Q(c);
- Try
- S(J);CHECK
- Vars
- Q(c);N_PINR(F),XS(J)::R1(F)
- Refutation
- K(a);P-FLIGHT
- Try
- B(E);N_SPINR(F)
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD,XP(H)::B(E)
- Q(c);::R1(F)
- Refutation
- Q(c);P_PINR(F),XB(E)
- Try
- B(I);
- Threat
- R1(B)
- Vars
- Q(c);CHECK,OGATE,XR(F)::P(D),XQ(c)
- Q(c);N_PINR(F)::R1(F)
- S(d);N_GUARD::B(E),XS(d)
- S(d);N_GUARD::B(E)
- Refutation
- Q(c);N_PINR(F)
- Try
- P(G);N_SPINR(F)
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINP(D),XB(E)::R1(F)
- S(d);N_GUARD,XP(H)::B(E)
- Q(c);::R1(F)
- Refutation
- Q(c);P_PINR(F),XP(G)
- Try
- Actual
- S(A);
- Threat
- R1(B)
- Vars
- Q(c);CHECK,OGATE,XR(F)::P(D),XQ(c)
- Q(c);N_PINR(F)::R1(F)
- S(d);N_GUARD::B(E),XS(d)
- S(d);N_GUARD::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).