MESON Chess Problem Database
Problem Display
PID: 17360 (Q2N2b1/1Bp1K2p/p4R2/Rn2kP2/3p1p1N/1pr3n1/1P5B/8 w - - 0 1)
de Blasio, Francis JC
Comm., Enroque!!, 1946
#2
10 + 11
| 14773 | The Best American Chess Problems of 1946 | 1948 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sf3#
- 1...Rc2
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Rc4
- 2.Sf3#
- 1...Rc5
- 2.Sf3#
- 1...Be6
- 2.Rxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Sxf5+
- 2.Rxf5#
- 1...d3
- 2.Sf3#
- 1...f3
- 2.Bxg3#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Rc1
- Tries
- 1.Bh1?
- 1...Sxf5+
- 2.Rxf5#
- 1...d3
- 2.Sf3#
- 1...f3
- 2.Bxg3#
- 1...Rc1
- 2.Sf3#
- 1...Rc2
- 2.Sf3#
- 1...Rd3
- 2.Sc6#
- 1...Re3
- 2.Sc6#
- 1...Rf3
- 2.Sxf3#
- 1...Rc4
- 2.Sf3#
- 1...Rc5
- 2.Sf3#
- 1...Rc6
- 2.Sxc6#
- 1...Bc4
- 2.Sc6#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Rxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Sf1
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sh5
- 2.Qe4#
- 1...c5
- 2.Sc6#
- 1...c6
- 2.Qb8#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Sxh1!
- 1...Sxf5+
- 1.Rxb5+?
- 1...Rc5
- 2.Sf3#
- 1...Bd5
- 2.Re6#
- 1...c5
- 2.Qb8#
- 1...axb5!
- 1...Rc5
- 1.Bh1?
- Keys
- 1.Bg2!
- 1...Sxf5+
- 2.Rxf5#
- 1...d3
- 2.Sf3#
- 1...f3
- 2.Bxg3#
- 1...Rc1
- 2.Sf3#
- 1...Rc2
- 2.Sf3#
- 1...Rd3
- 2.Sc6#
- 1...Re3
- 2.Sc6#
- 1...Rf3
- 2.Sxf3#
- 1...Rc4
- 2.Sf3#
- 1...Rc5
- 2.Sf3#
- 1...Rc6
- 2.Sxc6#
- 1...Bc4
- 2.Sc6#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Rxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Sf1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sh5
- 2.Qe4#
- 1...c5
- 2.Sc6#
- 1...c6
- 2.Qb8#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Sxf5+
- 1.Bg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::S(C)
- R(b);N_GUARD::S(C),XR(b)
- R(b);N_GUARD,N_SPINS(f)::S(C)
- B(k);N_GUARD::R1(F),XB(k)
- B(k);N_GUARD::S(J),XB(k)
- S(c);CHECK,OGATE,P_SPINP(e),XP(E)::R1(F),XS(c)
- P(d);S_CUTR(b)::S(C)
- P(e);N_SPINS(f),OGATEB,P_SPINS(c)::B(B),XS(c)
- P(j);N_GUARD::S(C)
- Tries
- Try
- B(G);
- Vars
- S(c);CHECK,OGATE,P_SPINP(e),XP(E)::R1(F),XS(c)
- P(d);S_CUTR(b)::S(C)
- P(e);N_SPINS(f),OGATEB,P_SPINS(c)::B(B),XS(c)
- R(b);N_GUARD::S(C)
- R(b);N_GUARD::S(J)
- R(b);N_GUARD::S(C),XR(b)
- R(b);N_GUARD,N_SPINS(f)::S(C)
- R(b);N_GUARD::S(J),XR(b)
- B(k);S_CUTR(b)::S(J)
- B(k);N_GUARD,N_SPINS(f)::QAR1(I),XB(k)
- B(k);N_GUARD::R1(F),XB(k)
- B(k);N_GUARD::S(J),XB(k)
- S(c);N_GUARD,P_SPINP(e)::QAR1(I)
- S(c);N_GUARD,P_SPINP(e)::QAR1(I),XS(c)
- P(i);N_SPINS(f),S_CUTR(b)::S(J)
- P(i);OGATEB::QAB(I)
- P(j);N_GUARD::S(C)
- Refutation
- S(c);P_SPINP(e),XB(G)
- Try
- R(D);CHECK,XS(f)
- Vars
- R(b);P_SPINR(b)::S(C)
- B(k);P_SPINB(k)::R1(F)
- P(i);P_SPINP(i),S_CUTB(k),S_CUTP(h),S_CUTR(b)::QAB(I)
- Refutation
- P(h);XR(D)
- Try
- Actual
- B(G);
- Vars
- S(c);CHECK,OGATE,P_SPINP(e),XP(E)::R1(F),XS(c)
- P(d);S_CUTR(b)::S(C)
- P(e);N_SPINS(f),OGATEB,P_SPINS(c)::B(B),XS(c)
- R(b);N_GUARD::S(C)
- R(b);N_GUARD::S(J)
- R(b);N_GUARD::S(C),XR(b)
- R(b);N_GUARD,N_SPINS(f)::S(C)
- R(b);N_GUARD::S(J),XR(b)
- B(k);S_CUTR(b)::S(J)
- B(k);N_GUARD,N_SPINS(f)::QAR1(I),XB(k)
- B(k);N_GUARD::R1(F),XB(k)
- B(k);N_GUARD::S(J),XB(k)
- S(c);N_GUARD,P_SPINP(e)::QAR1(I)
- S(c);N_GUARD,P_SPINP(e)::QAR1(I),XS(c)
- P(i);N_SPINS(f),S_CUTR(b)::S(J)
- P(i);OGATEB::QAB(I)
- P(j);N_GUARD::S(C)
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).