MESON Chess Problem Database
Problem Display
PID: 268968 (3b1r2/7B/1pKQR3/pP1p1r2/2NkPN2/1b4P1/2R2PP1/2n1B3 w - - 0 1)
Kovacevic, Marjan
9/12 Place, 09. WCCT, 2012-2013
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxf4
- 2.Qxd5#
- 1...Re5
- 2.Qxe5#
- 1...R5f6
- 2.Qe5#
- 2.Qxd5#
- 1...R5f7
- 2.Qe5#
- 2.Qxd5#
- 1...Bxc4
- 2.Bc3#
- 1...Sd3
- 2.Se2#
- 1...Rxf4
- Tries
- 1.Sb2?
- threat
- 2.Bc3#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Bxc2!
- threat
- 1.Sxa5?
- threat
- 2.Bc3#
- 1...Bxc2
- 2.Qb4#
- 1...bxa5
- 2.Qc5#
- 1...Sa2
- 2.Sxb3#
- 1...Se2
- 2.Sxb3#
- 1...Rxf4!
- threat
- 1.Bd2?
- threat
- 2.Be3#
- 1...Rxf4
- 2.Qxd5#
- 1...Bxc2!
- threat
- 1.Bxf5?
- threat
- 2.Qe5#
- 2.Qxd5#
- 1...Bxc2
- 2.Qxd5#
- 1...Bxc4
- 2.Bc3#
- 2.Qe5#
- 1...Bf6
- 2.Qxd5#
- 1...Bc7
- 2.Qxd5#
- 1...Sd3
- 2.Se2#
- 2.Qxd5#
- 1...Rxf5!
- threat
- 1.Re5?
- threat
- 2.Qxd5#
- 1...Rxe5
- 2.Qxe5#
- 1...Bxc4
- 2.Bc3#
- 1...R5f6
- 2.Rxd5#
- 1...R8f6!
- threat
- 1.Qb4?
- threat
- 2.Bc3#
- 2.Qc3#
- 1...Rxf4
- 2.Qc3#
- 1...Sa2
- 2.Rd2#
- 2.Qd2#
- 1...Se2
- 2.Rd2#
- 2.Qd2#
- 1...axb4!
- threat
- 1.f3?
- threat
- 2.Bf2#
- 1...Rxf4
- 2.Qxd5#
- 1...Sd3
- 2.Se2#
- 1...Bxc2!
- threat
- 1.exf5?
- threat
- 2.Qe5#
- 2.Qxd5#
- 1...Bxc2
- 2.Qxd5#
- 1...Bxc4
- 2.Bc3#
- 2.Qe5#
- 1...Bf6
- 2.Qxd5#
- 1...Bc7
- 2.Qxd5#
- 1...Sd3
- 2.Se2#
- 2.Qxd5#
- 1...Rxf5!
- threat
- 1.e5?
- threat
- 2.Qxd5#
- 1...Ke4
- 2.Qxd5#
- 1...Rxe5
- 2.Qxe5#
- 1...Bxc4!
- threat
- 1.Sb2?
- Keys
- 1.Se5!
- threat
- 2.Sf3#
- 1...Kxe4
- 2.Sf3#
- 1...Rxf4
- 2.Bc3#
- 1...Rxe5
- 2.Qxe5#
- 1...Bxc2
- 2.Qxd5#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(f);N_GUARD,XS(H)::QAR1(K),XP(e)
- R(f);N_GUARD::QAB1(K),XR(f)
- B(b);SBLOCK,XS(F)::B(A)
- S(a);N_GUARD,SBLOCK::S(H)
- Tries
- Try
- S(F);
- Threat
- B(A)
- Vars
- S(a);N_GUARD::S(H)
- S(a);N_GUARD::S(H),XS(a)
- Refutation
- B(b);XR(B)
- Try
- S(F);XP(d)
- Threat
- B(A)
- Vars
- B(b);N_GUARD,XR(B)::QAR2(K)
- P(g);N_GUARD,XS(F)::QAB1(K)
- S(a);N_GUARD::S(F),XB(b)
- Refutation
- R(f);XS(H)
- Try
- B(A);
- Threat
- B(A)
- Vars
- R(f);N_GUARD,XS(H)::QAR1(K),XP(e)
- Refutation
- B(b);XR(B)
- Try
- B(M);XR(f)
- Threat
- DUALS(2)
- Vars
- B(b);XR(B)::QAR1(K),XP(e)
- B(h);::QAR1(K),XP(e)
- Refutation
- R(i);XB(M)
- Try
- R(L);
- Threat
- QAR1(K),XP(e)
- Vars
- R(f);OGATE,XR(L)::QAB1(K),XR(f)
- B(b);SBLOCK,XS(F)::B(A)
- R(f);N_GUARD,P_PINQ(K)::R1(L),XP(e)
- Refutation
- R(i);P_PINQ(K)
- Try
- Q(K);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(f);XS(H)::QAB1(K)
- Refutation
- P(d);XQ(K)
- Try
- P(C);
- Threat
- B(A)
- Vars
- R(f);N_GUARD,XS(H)::QAR1(K),XP(e)
- S(a);N_GUARD,SBLOCK::S(H)
- Refutation
- B(b);XR(B)
- Try
- P(G);XR(f)
- Threat
- DUALS(2)
- Vars
- B(b);XR(B)::QAR1(K),XP(e)
- B(h);::QAR1(K),XP(e)
- Refutation
- R(i);XP(G)
- Try
- P(G);
- Threat
- QAR1(K),XP(e)
- Vars
- K(c);N_SPINP(e),P-FLIGHT,P_SPINR(f)::QAB1(K),XP(e)
- R(f);OGATE,XP(G)::QAB1(K),XR(f)
- Refutation
- B(b);XS(F)
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- K(c);N_SPINP(e),P-FLIGHT,P_SPINR(f),XP(G)::R(L)+S(F)
- R(f);XS(H)::B(A)
- R(f);OGATE,XS(F)::QAB1(K),XR(f)
- B(b);N_GUARD,XR(B)::QAR1(K),XP(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).