MESON Chess Problem Database
Problem Display
PID: 95641 (b2B3Q/6N1/rR1bB3/4k3/2P3p1/p2P1p2/K3N3/5R1r w - - 0 1)
de Rosa, Francesco
L'Italia Scacchistica, 1999
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxf1
- 2.Qh5#
- 1...Rg1
- 2.Qh5#
- 1...Rh5
- 2.Qxh5#
- 1...Bb4
- 2.Sh5#
- 1...Bc5
- 2.Sh5#
- 1...Bc7
- 2.Sh5#
- 1...Bb8
- 2.Sh5#
- 1...Be4
- 2.d4#
- 1...fxe2
- 2.Bf6#
- 1...Rxf1
- Tries
- 1.Bd5?
- threat
- 2.d4#
- 1...fxe2
- 2.Sh5#
- 2.Bf6#
- 1...Bc5
- 2.Bf6#
- 1...Bxd5!
- threat
- 1.Rb5+?
- 1...Bd5
- 2.Rxd5#
- 1...Bc5!
- 1...Bd5
- 1.Qxh1?
- threat
- 2.Qh5#
- 1...fxe2
- 2.Bf6#
- 1...Be4
- 2.d4#
- 1...Be7!
- threat
- 1.Qh2+?
- 1...g3
- 2.Qxg3#
- 1...Rxh2!
- 1...g3
- 1.Qh6?
- threat
- 2.Bf6#
- 2.Qf4#
- 2.Qg5#
- 2.Qf6#
- 1...fxe2
- 2.Bf6#
- 2.Qf4#
- 2.Qf6#
- 1...Rh5
- 2.Bf6#
- 2.Qf4#
- 2.Qxh5#
- 2.Qf6#
- 1...Be7
- 2.Qf4#
- 1...Be4
- 2.Bf6#
- 2.Qf4#
- 2.Qf6#
- 2.d4#
- 1...Rxh6!
- threat
- 1.Qh7?
- threat
- 2.Qf5#
- 2.d4#
- 1...fxe2
- 2.Bf6#
- 1...Be7
- 2.Qf5#
- 1...Rh5
- 2.Qxh5#
- 2.d4#
- 1...Bc5
- 2.Qf5#
- 1...Be4
- 2.Qxe4#
- 2.d4#
- 1...Rxh7!
- threat
- 1.Qf8?
- threat
- 2.Bf6#
- 2.Qxd6#
- 2.Qf4#
- 2.Qf5#
- 2.Qf6#
- 1...Rxb6
- 2.Bf6#
- 2.Qf4#
- 2.Qf5#
- 2.Qf6#
- 1...fxe2
- 2.Bf6#
- 2.Qxd6#
- 2.Qf4#
- 2.Qf6#
- 1...Rh6
- 2.Qxd6#
- 2.Qf4#
- 2.Qf5#
- 1...Rh5
- 2.Bf6#
- 2.Qxd6#
- 2.Qf4#
- 2.Qf6#
- 1...Bb4
- 2.Bf6#
- 2.Qf4#
- 2.Qf5#
- 2.Qf6#
- 1...Bc5
- 2.Bf6#
- 2.Qf4#
- 2.Qf5#
- 2.Qf6#
- 1...Bc7
- 2.Bf6#
- 2.Bxc7#
- 2.Qf4#
- 2.Qf5#
- 2.Qf6#
- 1...Be7
- 2.Qf4#
- 2.Qf5#
- 1...Bb8
- 2.Bf6#
- 2.Qf4#
- 2.Qf5#
- 2.Qf6#
- 1...Be4
- 2.Bf6#
- 2.Qxd6#
- 2.Qf4#
- 2.Qf6#
- 2.d4#
- 1...Bc6
- 2.Bf6#
- 2.Qf4#
- 2.Qf5#
- 2.Qf6#
- 1...Bxf8!
- threat
- 1.Bd5?
- Keys
- 1.Bf5!
- threat
- 2.d4#
- 1...fxe2
- 2.Sh5#
- 1...Bc5
- 2.Bf6#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(a);N_GUARD,XR(A)::QAR(J)
- R(a);N_GUARD::QAR(J)
- R(a);N_GUARD::QAR(J),XR(a)
- B(g);::QAB(J)+S(H)
- B(h);SBLOCK::P(D)
- P(c);XS(C)::B(I)
- Tries
- Try
- B(G);
- Threat
- P(D)
- Vars
- B(g);::B(I)
- Refutation
- B(h);P_PINP(E),XB(G)
- Try
- R(F);CHECK
- Vars
- B(h);N_GUARD,P_PINP(E),P_SPINB(h)::R1(F),XB(h)
- Refutation
- B(g);P_SPINB(g)
- Try
- Q(J);XR(a)
- Threat
- QAR(J)
- Vars
- P(c);XS(C)::B(I)
- B(h);SBLOCK::P(D)
- Refutation
- B(g);
- Try
- Q(J);CHECK
- Vars
- P(d);P_SPINP(d)::QAB(J),XP(d)
- Refutation
- R(a);P_PINS(C),XQ(J)
- Try
- Q(J);
- Threat
- DUALS(4)
- Vars
- B(g);::QAB1(J)
- Refutation
- R(a);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- P(c);XS(C)::B(I)
- B(g);::QAR1(J)
- Refutation
- R(a);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(5)
- Refutation
- B(g);XQ(J)
- Try
- Actual
- B(G);
- Threat
- P(D)
- Vars
- P(c);XS(C)::QAB(J)+S(H)
- B(g);::B(I)
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).