MESON Chess Problem Database
Problem Display
PID: 261106 (1n1r2nB/K1p5/1pb1p3/1QR5/2B1p2R/p1P1k1NN/3b2Pp/7r w - - 0 1)
Felber, Stefan
Neue Zurcher Zeitung, 2015
#2
10 + 13
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sxf1#
- 1...Rd4
- 2.Bxd4#
- 1...Rd5
- 2.Rxe4#
- 1...Rc8
- 2.Bd4#
- 1...Re8
- 2.Bd4#
- 1...Rf8
- 2.Bd4#
- 1...Bxb5
- 2.Rxe4#
- 1...Bd5
- 2.Bd4#
- 1...Bd7
- 2.Bd4#
- 2.Rxe4#
- 1...Be8
- 2.Rxe4#
- 1...Sd7
- 2.Bd4#
- 1...e5
- 2.Sf5#
- 1...Rf1
- Tries
- 1.Bf1?
- threat
- 2.Qe2#
- 1...Bxb5
- 2.Rxe4#
- 1...Rd3!
- threat
- 1.Bd5?
- threat
- 2.Bd4#
- 2.Rxe4#
- 2.Qe2#
- 1...Rxd5
- 2.Rxe4#
- 2.Qe2#
- 1...Bxc3
- 2.Qe2#
- 1...Bxd5
- 2.Bd4#
- 2.Qe2#
- 1...bxc5
- 2.Rxe4#
- 2.Qe2#
- 1...exd5
- 2.Sf5#
- 2.Bd4#
- 2.Qe2#
- 1...Bc1
- 2.Qe2#
- 1...Be1
- 2.Qe2#
- 1...Re1
- 2.Bd4#
- 2.Rxe4#
- 1...Sf6
- 2.Qe2#
- 1...e5
- 2.Sf5#
- 2.Rxe4#
- 2.Qe2#
- 1...Bxb5!
- threat
- 1.Be5?
- threat
- 2.Bf4#
- 1...Rf1
- 2.Sxf1#
- 1...Rf8
- 2.Bd4#
- 1...Bxc3!
- threat
- 1.Rd5?
- threat
- 2.Bd4#
- 2.Rxe4#
- 1...Rxd5
- 2.Rxe4#
- 1...Bxc3
- 2.Rxe4#
- 1...Bxd5
- 2.Bd4#
- 1...exd5
- 2.Sf5#
- 2.Bd4#
- 1...Bc1
- 2.Rxe4#
- 1...Be1
- 2.Rxe4#
- 1...e5
- 2.Sf5#
- 2.Rxe4#
- 1...Sf6!
- threat
- 1.Rxc6?
- threat
- 2.Rxe4#
- 2.Qg5#
- 1...Bxc3
- 2.Qg5#
- 1...Bc1
- 2.Qg5#
- 1...Be1
- 2.Qg5#
- 1...Rf1
- 2.Sxf1#
- 2.Rxe4#
- 1...Rd4
- 2.Bxd4#
- 2.Qg5#
- 1...Rd5
- 2.Rxe4#
- 1...Rf8
- 2.Bd4#
- 2.Rxe4#
- 1...Sf6
- 2.Qg5#
- 1...e5
- 2.Sf5#
- 2.Rxe4#
- 1...Sxc6+!
- threat
- 1.Bf1?
- Keys
- 1.Rch5!
- threat
- 2.Qg5#
- 1...Bxb5
- 2.Rxe4#
- 1...Rf1
- 2.Sxf1#
- 1...Rd5
- 2.Rxe4#
- 1...Rf8
- 2.Bd4#
- 1...Bd5
- 2.Bd4#
- 1...e5
- 2.Sf5#
- threat
- 1.Rch5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::S(C),XR(a)
- R(l);N_GUARD::B(J),XR(l)
- R(l);S_CUTB(h)::R1(F),XP(f)
- R(l);N_GUARD::B(J)
- B(h);N_GUARD,XQ(G)::R1(F),XP(f)
- B(h);S_CUTR(l)::B(J)
- B(h);N_GUARD::R1(F),XP(f)
- S(k);S_CUTR(l)::B(J)
- P(i);N_GUARD::S(C)
- Tries
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- B(h);N_GUARD,XQ(G)::R1(F),XP(f)
- Refutation
- R(l);
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- B(b);XP(B)::QAR1(G)
- B(b);::QAR1(G)
- S(m);::QAR1(G)
- Refutation
- B(h);XQ(G)
- Try
- B(J);
- Threat
- B(J)
- Vars
- R(a);N_GUARD::S(C),XR(a)
- R(l);N_GUARD::B(J)
- Refutation
- B(b);XP(B)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(l);XR(H)::R1(F),XP(f)
- B(b);XP(B)::R1(F),XP(f)
- B(h);XR(H)::B(J)
- B(b);::R1(F),XP(f)
- Refutation
- S(m);
- Try
- R(H);XB(h)
- Threat
- DUALS(2)
- Vars
- B(b);XP(B)::QAB(G)
- B(b);::QAB(G)
- R(l);::R1(F),XP(f)
- S(m);::QAB(G)
- Refutation
- S(k);CHECK,XR(H)
- Try
- Actual
- R(H);
- Threat
- QAB(G)
- Vars
- B(h);N_GUARD,XQ(G)::R1(F),XP(f)
- R(a);N_GUARD::S(C),XR(a)
- R(l);S_CUTB(h)::R1(F),XP(f)
- R(l);N_GUARD::B(J)
- B(h);S_CUTR(l)::B(J)
- P(i);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).