MESON Chess Problem Database
Problem Display
PID: 46396 (3Q4/3N4/1pppp1p1/p2k4/3nn3/1P5r/N5B1/Kb1RR3 w - - 0 1)
Delobel, Bernard
StrateGems, 2003
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sc3#
- 1...Rh2
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Rd3
- 2.Bxe4#
- 1...Rh4
- 2.Sc3#
- 1...Rh5
- 2.Sc3#
- 1...Rh6
- 2.Sc3#
- 1...Rh7
- 2.Sc3#
- 1...Rh8
- 2.Sc3#
- 1...Bxa2
- 2.Bxe4#
- 1...Bd3
- 2.Sc3#
- 1...a4
- 2.Sb4#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Rh1
- Tries
- 1.Bf3?
- threat
- 2.Sc3#
- 1...Bxa2
- 2.Bxe4#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Rxf3!
- threat
- 1.Rd3?
- threat
- 2.Sc3#
- 2.Bxe4#
- 1...Rxd3
- 2.Bxe4#
- 1...Bxa2
- 2.Bxe4#
- 1...Bxd3
- 2.Sc3#
- 1...c5
- 2.Bxe4#
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Re3
- 2.Sc3#
- 1...Rh4
- 2.Sc3#
- 1...Rf3!
- threat
- 1.Rxe4?
- threat
- 2.Rdxd4#
- 2.Rexd4#
- 2.Re5#
- 1...Rxb3
- 2.Rdxd4#
- 2.Rexd4#
- 1...Rf3
- 2.Rdxd4#
- 2.Rexd4#
- 1...c5
- 2.Rexd4#
- 2.Re5#
- 2.Qa8#
- 1...e5
- 2.Rxe5#
- 2.Qg8#
- 1...Rd3
- 2.Re5#
- 1...Bd3
- 2.Sc3#
- 2.Re5#
- 1...Bxe4!
- threat
- 1.Qxb6?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Rd3
- 2.Bxe4#
- 1...Bd3
- 2.Sc3#
- 1...c5
- 2.Qb7#
- 1...e5!
- threat
- 1.Qf6?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Rd3
- 2.Bxe4#
- 1...Bd3
- 2.Sc3#
- 1...e5
- 2.Qf7#
- 1...c5!
- threat
- 1.Bf3?
- Keys
- 1.Qh8!
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Rxh8
- 2.Sc3#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- 1...Rd3
- 2.Bxe4#
- 1...Bd3
- 2.Sc3#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::S(D)
- R(b);N_GUARD::S(D),XR(b)
- R(b);N_SPINS(c),P_SPINS(d),S_CUTB(a)::B(E),XS(d)
- B(a);N_GUARD,XS(D)::B(E),XS(d)
- B(a);N_SPINS(c),P_SPINS(d),S_CUTR(b)::S(D)
- P(e);N_GUARD::S(D)
- P(h);OGATEB::QAB(H)
- P(j);OGATEB::QAB(H)
- Tries
- Try
- B(E);
- Threat
- S(D)
- Vars
- B(a);N_GUARD,XS(D)::B(E),XS(d)
- P(h);OGATEB::QAB(H)
- P(j);OGATEB::QAB(H)
- Refutation
- R(b);XB(E)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(b);N_SPINS(c),P_SPINS(d),XR(B)::B(E),XS(d)
- B(a);XS(D)::B(E),XS(d)
- B(a);N_SPINS(c),P_SPINS(d),XR(B)::S(D)
- P(j);OGATEB::QAB(H)
- R(b);::S(D)
- Refutation
- R(b);
- Try
- R(C);XS(d)
- Threat
- DUALS(3)
- Vars
- R(b);N_SPINS(c)::B(E)+R(C),DCHECK
- Refutation
- B(a);P_SPINB(a),XR(C)
- Try
- Q(H);XP(g)
- Threat
- DUALS(2)
- Vars
- R(b);N_SPINS(c),P_SPINS(d),S_CUTB(a)::B(E),XS(d)
- B(a);N_SPINS(c),P_SPINS(d),S_CUTR(b)::S(D)
- P(h);OGATEB::QAB(H)
- Refutation
- P(j);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(b);N_SPINS(c),P_SPINS(d),S_CUTB(a)::B(E),XS(d)
- B(a);N_SPINS(c),P_SPINS(d),S_CUTR(b)::S(D)
- P(j);OGATEB::QAB(H)
- Refutation
- P(h);
- Try
- Actual
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XQ(H)::S(D)
- P(h);OGATEB::QAB(H)
- P(j);OGATEB::QAB(H)
- R(b);N_SPINS(c),P_SPINS(d),S_CUTB(a)::B(E),XS(d)
- B(a);N_SPINS(c),P_SPINS(d),S_CUTR(b)::S(D)
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).