MESON Chess Problem Database
Problem Display
PID: 188442 (4B3/5R2/Nr3b2/1rQ4K/1nP1k1P1/8/4P1N1/B7 w - - 0 1)
de Blasio, Francis JC
To Alain White, 1945
#2
10 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxc5+
- 2.Sxc5#
- 1...Bxa1
- 2.Rf4#
- 1...Bb2
- 2.Rf4#
- 1...Bc3
- 2.Rf4#
- 1...Bd4
- 2.Rf4#
- 1...Bh4
- 2.Rf4#
- 1...Be5
- 2.Qe3#
- 1...Bg5
- 2.Qd4#
- 1...Be7
- 2.Rf4#
- 1...Bg7
- 2.Rf4#
- 1...Bd8
- 2.Rf4#
- 1...Bh8
- 2.Rf4#
- 1...Rxc5+
- Tries
- 1.Bxb5?
- threat
- 2.Qe3#
- 2.Qf5#
- 1...Bxa1
- 2.Rf4#
- 2.Qe3#
- 1...Bb2
- 2.Rf4#
- 2.Qe3#
- 1...Bc3
- 2.Rf4#
- 2.Qe3#
- 1...Bd4
- 2.Rf4#
- 2.Qxd4#
- 2.Qf5#
- 1...Be5
- 2.Qe3#
- 2.Qxe5#
- 1...Bg5
- 2.Qd4#
- 2.Qe5#
- 2.Qf5#
- 1...Sc2
- 2.Qd5#
- 2.Qf5#
- 1...Sd5
- 2.Qxd5#
- 1...Rxb5!
- threat
- 1.Bd7?
- threat
- 2.Bf5#
- 1...Rxc5+
- 2.Sxc5#
- 1...Re6!
- threat
- 1.Rxf6?
- threat
- 2.Bg6#
- 2.Rf4#
- 1...Rxc5+
- 2.Sxc5#
- 1...Sd3
- 2.Bg6#
- 1...Sd5
- 2.Bg6#
- 2.Qd4#
- 1...Rxf6!
- threat
- 1.Re7+?
- 1...Re6
- 2.Bg6#
- 1...Be5
- 2.Rxe5#
- 2.Qe3#
- 2.Qd4#
- 1...Bxe7!
- 1...Re6
- 1.Qxb5?
- threat
- 2.Sc5#
- 2.Qf5#
- 1...Rxa6
- 2.Qf5#
- 1...Bxa1
- 2.Rf4#
- 1...Sxa6
- 2.Qd5#
- 2.Qf5#
- 1...Bb2
- 2.Rf4#
- 1...Bc3
- 2.Rf4#
- 1...Rc6
- 2.Qf5#
- 1...Bd4
- 2.Rf4#
- 2.Qf5#
- 1...Be5
- 2.Sc5#
- 2.Qxe5#
- 1...Be7
- 2.Rf4#
- 2.Qe5#
- 2.Qf5#
- 1...Sd3
- 2.Qd5#
- 2.Qf5#
- 1...Sd5
- 2.Sc5#
- 2.Qxd5#
- 1...Rxb5+!
- threat
- 1.cxb5?
- threat
- 2.Qf5#
- 1...Bxa1
- 2.Rf4#
- 1...Bb2
- 2.Rf4#
- 1...Bc3
- 2.Rf4#
- 1...Be5
- 2.Qxe5#
- 1...Sd5
- 2.Qc2#
- 1...Rxb5!
- threat
- 1.Bxb5?
- Keys
- 1.Rf8!
- threat
- 2.Bg6#
- 1...Rxc5+
- 2.Sxc5#
- 1...Bxa1
- 2.Rf4#
- 1...Bb2
- 2.Rf4#
- 1...Bc3
- 2.Rf4#
- 1...Bd4
- 2.Rf4#
- 1...Bh4
- 2.Rf4#
- 1...Be5
- 2.Qe3#
- 1...Bg5
- 2.Qd4#
- 1...Be7
- 2.Rf4#
- 1...Bg7
- 2.Rf4#
- 1...Bd8
- 2.Rf4#
- 1...Bh8
- 2.Rf4#
- threat
- 1.Rf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);CHECK,XQ(F)::S(H),XR(c)
- B(e);OGATE,XB(A)::R1(I)
- B(e);OGATE::R1(I)
- B(e);N_PINQ(F)::QAR1(F)
- Tries
- Try
- B(J);N_SPINQ(F),XR(c)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAB1(F),XS(a)
- Refutation
- R(d);P_PINQ(F),XB(J)
- Try
- B(J);
- Threat
- B(J)
- Vars
- R(c);CHECK,XQ(F)::S(H),XR(c)
- Refutation
- R(d);
- Try
- R(I);XB(e)
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,XQ(F)::S(H),XR(c)
- S(a);::B(J)
- Refutation
- R(d);XR(I)
- Try
- R(I);CHECK
- Vars
- R(d);P_SPINR(d)::B(J)
- Refutation
- B(e);XR(I)
- Try
- Q(F);N_SPINQ(F),XR(c)
- Threat
- DUALS(2)
- Vars
- R(d);XS(H)::QAB1(F)
- B(e);OGATE,XB(A)::R1(I)
- B(e);OGATE::R1(I)
- R(d);::QAB1(F)
- Refutation
- R(d);CHECK,XQ(F)
- Try
- P(D);N_SPINQ(F),XR(c)
- Threat
- QAB1(F)
- Vars
- B(e);OGATE,XB(A)::R1(I)
- B(e);OGATE::R1(I)
- B(e);N_GUARD::QAR1(F),XB(e)
- S(a);N_GUARD,SBLOCK::QAB(F)
- Refutation
- R(d);P_PINQ(F),XP(D)
- Try
- Actual
- R(I);
- Threat
- B(J)
- Vars
- R(c);CHECK,XQ(F)::S(H),XR(c)
- B(e);OGATE,XB(A)::R1(I)
- B(e);OGATE::R1(I)
- B(e);N_PINQ(F)::QAR1(F)
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).