MESON Chess Problem Database
Problem Display
PID: 262735 (6QB/2N4K/2p5/2p1nR2/1q1k1b1p/1prpp1N1/2p1P3/3R1r1B w - - 0 1)
Taylor, Stephen
3rd HM., SuperProblem, 2018
#2
9 + 13
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxd1
- 2.Rxf4#
- 1...Re1
- 2.Rxf4#
- 1...Rg1
- 2.Rxf4#
- 1...Rxh1
- 2.Rxf4#
- 1...Rc4
- 2.Rxd3#
- 1...Bg5
- 2.Bxe5#
- 1...Bh6
- 2.Bxe5#
- 1...c4
- 2.Se6#
- 1...Rxd1
- Tries
- 1.Sb5+?
- 1...cxb5
- 2.Qd5#
- 1...Qxb5!
- 1...cxb5
- 1.Bxc6?
- threat
- 2.Qd5#
- 1...Rc4
- 2.Rxd3#
- 1...Qc4!
- threat
- 1.Rxe5?
- threat
- 2.Sf5#
- 2.Re4#
- 1...Bxg3
- 2.Re4#
- 1...hxg3
- 2.Re4#
- 1...Rc4
- 2.Rxd3#
- 2.Re4#
- 2.Rd5#
- 1...Bg5
- 2.Re4#
- 1...Bh6
- 2.Re4#
- 1...c4
- 2.Sf5#
- 2.Se6#
- 2.Rd5#
- 1...Bxe5!
- threat
- 1.Rf6?
- threat
- 2.Sf5#
- 2.Rd6#
- 1...Rxh1
- 2.Rxf4#
- 2.Rd6#
- 1...Bxg3
- 2.Rd6#
- 1...hxg3
- 2.Rd6#
- 1...Sf3
- 2.Rxf4#
- 2.Rd6#
- 1...Sc4
- 2.Rxf4#
- 2.Rd6#
- 1...Sg4
- 2.Rxf4#
- 2.Rd6#
- 1...Sg6
- 2.Rxf4#
- 2.Rd6#
- 1...Sd7
- 2.Rxf4#
- 2.Rd6#
- 1...Sf7
- 2.Rxf4#
- 1...c4
- 2.Se6#
- 1...Qc4
- 2.Sf5#
- 1...Rf3
- 2.Rd6#
- 1...Bg5
- 2.Rd6#
- 1...Bh6
- 2.Rd6#
- 1...Rc4!
- threat
- 1.Rf8?
- threat
- 2.Sf5#
- 2.Rd8#
- 1...Rxh1
- 2.Rxf4#
- 2.Rd8#
- 1...Bxg3
- 2.Rd8#
- 1...hxg3
- 2.Rd8#
- 1...Rc4
- 2.Rxd3#
- 1...c4
- 2.Se6#
- 1...Qc4
- 2.Sf5#
- 1...Qb8
- 2.Sf5#
- 1...Rf3
- 2.Rd8#
- 1...Bh6
- 2.Rd8#
- 1...Bg5!
- threat
- 1.exd3?
- threat
- 2.Se2#
- 2.Se6#
- 2.Qd8#
- 1...Rxd1
- 2.Qd8#
- 1...Rxh1
- 2.Se2#
- 2.Rxf4#
- 2.Qd8#
- 1...Rxd3
- 2.Se2#
- 1...Bxg3
- 2.Se6#
- 2.Qd8#
- 1...cxd1Q
- 2.Qd8#
- 1...cxd1S
- 2.Qd8#
- 1...cxd1B
- 2.Qd8#
- 1...cxd1R
- 2.Qd8#
- 1...hxg3
- 2.Se6#
- 2.Qd8#
- 1...Rc4
- 2.Se2#
- 1...c4
- 2.Se6#
- 1...c1S
- 2.Se6#
- 2.Qd8#
- 1...Qc4
- 2.Se2#
- 1...Qb7
- 2.Se2#
- 2.Qd8#
- 1...Qb8
- 2.Se2#
- 2.Se6#
- 1...Re1
- 2.Se6#
- 2.Rxf4#
- 2.Qd8#
- 1...Rf2
- 2.Se6#
- 2.Qd8#
- 1...Rf3
- 2.Se2#
- 2.Qd8#
- 1...Bg5
- 2.Se2#
- 2.Se6#
- 2.Bxe5#
- 1...e2!
- threat
- 1.Sb5+?
- Keys
- 1.Rf7!
- threat
- 2.Rd7#
- 1...Kc4
- 2.Rxf4#
- 1...Qc4
- 2.Sf5#
- 1...Rc4
- 2.Rxd3#
- 1...c4
- 2.Se6#
- threat
- 1.Rf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD,N_SPINP(e),XR(A)::R(E),XB(i)
- R(a);N_GUARD::R(E),XB(i)
- R(a);N_GUARD,XB(B)::R(E),XB(i)
- R(d);N_GUARD::R1(A),XP(e)
- B(i);N_GUARD::B(I),XS(l)
- P(k);SBLOCK::S(F)
- Tries
- Try
- S(F);CHECK
- Vars
- P(m);XS(F)::QAR1(H)
- Refutation
- Q(g);XS(F)
- Try
- B(B);XP(m)
- Threat
- QAR1(H)
- Vars
- R(d);N_GUARD::R1(A),XP(e)
- Refutation
- Q(g);
- Try
- R(E);XS(l)
- Threat
- DUALS(2)
- Vars
- B(i);XS(D)::B(I)+R(E),DCHECK
- P(j);XS(D)::B(I)+R(E),DCHECK
- B(i);::B(I)+R(E),DCHECK
- Refutation
- B(i);P_SPINB(i),XR(E)
- Try
- R(E);N_PINS(l)
- Threat
- DUALS(2)
- Vars
- B(i);XS(D)::R(E)
- P(j);XS(D)::R(E)
- S(l);::B(I)+R(E),DCHECK,XB(i)
- P(k);SBLOCK::S(F)
- Q(g);::S(D)
- R(a);::R(E)
- B(i);::R(E)
- Refutation
- R(d);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(i);XS(D)::R(E)
- P(j);XS(D)::R(E)
- R(d);N_GUARD::R1(A),XP(e)
- P(k);SBLOCK::S(F)
- Q(g);::S(D)
- R(a);::R(E)
- B(i);::R(E)
- Refutation
- B(i);
- Try
- P(C);XP(e)
- Threat
- DUALS(3)
- Vars
- R(a);XR(A)::QAR(H)
- R(d);P_SPINR(d),XP(C)::S(D)
- P(b);XR(A)::QAR(H)
- R(d);::S(D)
- P(k);::S(F)
- Q(g);::S(D)
- Refutation
- P(f);
- Try
- Actual
- R(E);
- Threat
- R(E)
- Vars
- K(h);N_SPINP(e),N_SPINS(l),P-FLIGHT::QAB(H)+R(E),DCHECK,XB(i)
- Q(g);SBLOCK::S(D)
- R(d);N_GUARD,SBLOCK::R1(A),XP(e)
- P(k);SBLOCK::S(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).