MESON Chess Problem Database
Problem Display
PID: 186881 (1nK1Rnr1/2N5/1rpk2P1/Np6/1P2B1Q1/4pp2/1B2P2b/2R2q2 w - - 0 1)
Heyl, Peter
Freie Presse, 2000
(First published on Fri Nov 3 2000)
#2
11 + 11
| 15391 | Problemschach-Jahrbuch (2000) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Rd1#
- 1...Qh3
- 2.Rd1#
- 1...Qd1
- 2.Rxd1#
- 1...Qf2
- 2.Rd1#
- 1...Ra6
- 2.Sb7#
- 1...Rb7
- 2.Sxb7#
- 1...Bg1
- 2.Be5#
- 2.Qg3#
- 2.Qf4#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Se6
- 2.Qxe6#
- 1...Sxg6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...Sh7
- 2.Qe6#
- 1...c5
- 2.bxc5#
- 1...Qg2
- Tries
- 1.Sxb5+?
- 1...Rxb5
- 2.Sc4#
- 1...cxb5!
- 1...Rxb5
- 1.Bc2?
- threat
- 2.Qd4#
- 1...Qh3
- 2.Rd1#
- 1...Qd1
- 2.Rxd1#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Se6
- 2.Qxe6#
- 1...c5!
- threat
- 1.Bd3?
- threat
- 2.Qd4#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Se6
- 2.Qxe6#
- 1...c5
- 2.bxc5#
- 1...Qh3!
- threat
- 1.Bxf3?
- threat
- 2.Qd4#
- 1...Qh3
- 2.Rd1#
- 1...Qd1
- 2.Rxd1#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Se6
- 2.Qxe6#
- 1...c5
- 2.bxc5#
- 1...Qxf3!
- threat
- 1.Bf5?
- threat
- 2.Qd4#
- 1...Qd1
- 2.Rxd1#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...c5
- 2.bxc5#
- 1...Se6!
- threat
- 1.Bxc6?
- threat
- 2.Qd4#
- 1...Qh3
- 2.Rd1#
- 1...Qd1
- 2.Rxd1#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Se6
- 2.Qxe6#
- 1...Sxc6!
- threat
- 1.Rxf1?
- threat
- 2.Rd1#
- 1...Be5
- 2.Bxe5#
- 1...Se6
- 2.Qxe6#
- 1...fxe2!
- threat
- 1.Rc4?
- threat
- 2.Rd4#
- 1...bxc4
- 2.Sxc4#
- 1...Be5
- 2.Bxe5#
- 1...Se6
- 2.Qxe6#
- 1...c5
- 2.bxc5#
- 1...Qd1!
- threat
- 1.Rxc6+?
- 1...Rxc6
- 2.Sb7#
- 1...Sxc6!
- 1...Rxc6
- 1.Rd8+?
- 1...Ke7
- 2.Qh4#
- 2.Qg5#
- 1...Sfd7
- 2.Qe6#
- 1...Sbd7!
- 1...Ke7
- 1.Qh4?
- threat
- 2.Qe7#
- 2.Qxh2#
- 1...Qxe2
- 2.Qe7#
- 1...Rxg6
- 2.Qe7#
- 1...Sxg6
- 2.Qf6#
- 1...fxe2
- 2.Qe7#
- 1...Qg2
- 2.Rd1#
- 2.Qe7#
- 1...Qe1
- 2.Qe7#
- 1...Qg1
- 2.Qe7#
- 1...Qh1
- 2.Qe7#
- 1...Qf2
- 2.Rd1#
- 2.Qe7#
- 1...Rg7
- 2.Qxh2#
- 1...Rh8
- 2.Qe7#
- 1...Bg1
- 2.Be5#
- 2.Qg3#
- 2.Qe7#
- 2.Qf4#
- 1...Bg3
- 2.Qxg3#
- 2.Qe7#
- 1...Bf4
- 2.Qe7#
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 2.Qe7#
- 1...Sbd7
- 2.Qe7#
- 1...Se6
- 2.Qe7#
- 1...Sfd7
- 2.Qe7#
- 1...Qh3+!
- threat
- 1.Qg5?
- threat
- 2.Qe7#
- 2.Qc5#
- 1...Qxc1
- 2.Qe7#
- 1...Sxg6
- 2.Qf6#
- 2.Qc5#
- 1...Sa6
- 2.Qe7#
- 1...Rg7
- 2.Qc5#
- 1...Be5
- 2.Bxe5#
- 2.Qe7#
- 2.Qxe5#
- 1...Sbd7
- 2.Qe7#
- 1...Se6
- 2.Qe7#
- 1...Sfd7
- 2.Qe7#
- 1...c5
- 2.Qe7#
- 2.Qxc5#
- 2.Qd5#
- 2.bxc5#
- 1...Qh3+!
- threat
- 1.Sxb5+?
- Keys
- 1.Bb1!
- threat
- 2.Qd4#
- 1...Qh3
- 2.Rd1#
- 1...Qd1
- 2.Rxd1#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Se6
- 2.Qxe6#
- 1...c5
- 2.bxc5#
- threat
- 1.Bb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(a);N_GUARD::R(A)
- Q(a);N_GUARD,P_PINQ(F)::R(A)
- Q(a);N_GUARD::R(A),XQ(a)
- R(f);N_GUARD::S(G)
- R(f);N_GUARD::S(G),XR(f)
- B(b);N_GUARD::QAB(F),XB(b)
- B(b);N_GUARD::B(B),XB(b)
- S(j);N_GUARD,P_PINR(K)::QAR1(F),XS(j)
- S(j);N_GUARD,P_PINR(K),XP(H)::QAR1(F)
- S(j);N_GUARD,P_PINR(K)::QAR1(F)
- P(g);OGATE::P(D),XP(g)
- Tries
- Try
- S(I);CHECK,XP(e)
- Vars
- R(f);XS(I)::S(G)
- Refutation
- P(g);XS(I)
- Try
- B(E);
- Threat
- QAR2(F)
- Vars
- Q(a);N_GUARD,P_PINQ(F)::R(A)
- Q(a);N_GUARD::R(A),XQ(a)
- B(b);N_GUARD::QAB(F),XB(b)
- B(b);N_GUARD::B(B),XB(b)
- S(j);N_GUARD,P_PINR(K)::QAR1(F),XS(j)
- Refutation
- P(g);
- Try
- B(E);
- Threat
- QAR2(F)
- Vars
- B(b);N_GUARD::QAB(F),XB(b)
- B(b);N_GUARD::B(B),XB(b)
- S(j);N_GUARD,P_PINR(K)::QAR1(F),XS(j)
- P(g);OGATE::P(D),XP(g)
- Refutation
- Q(a);P_PINQ(F)
- Try
- B(E);XP(d)
- Threat
- QAR2(F)
- Vars
- Q(a);N_GUARD,P_PINQ(F)::R(A)
- Q(a);N_GUARD::R(A),XQ(a)
- B(b);N_GUARD::QAB(F),XB(b)
- B(b);N_GUARD::B(B),XB(b)
- S(j);N_GUARD,P_PINR(K)::QAR1(F),XS(j)
- P(g);OGATE::P(D),XP(g)
- Refutation
- Q(a);XB(E)
- Try
- B(E);
- Threat
- QAR2(F)
- Vars
- Q(a);N_GUARD::R(A),XQ(a)
- B(b);N_GUARD::QAB(F),XB(b)
- B(b);N_GUARD::B(B),XB(b)
- P(g);OGATE::P(D),XP(g)
- Refutation
- S(j);P_PINR(K)
- Try
- B(E);XP(g)
- Threat
- QAR2(F)
- Vars
- Q(a);N_GUARD,P_PINQ(F)::R(A)
- Q(a);N_GUARD::R(A),XQ(a)
- B(b);N_GUARD::QAB(F),XB(b)
- B(b);N_GUARD::B(B),XB(b)
- S(j);N_GUARD,P_PINR(K)::QAR1(F),XS(j)
- Refutation
- S(i);XB(E)
- Try
- R(A);XQ(a)
- Threat
- R(A)
- Vars
- B(b);N_GUARD::B(B),XB(b)
- S(j);N_GUARD,P_PINR(K)::QAR1(F),XS(j)
- Refutation
- P(d);XP(C)
- Try
- R(A);
- Threat
- R(A)
- Vars
- P(e);XR(A)::S(G),XP(e)
- B(b);N_GUARD::B(B),XB(b)
- S(j);N_GUARD,P_PINR(K)::QAR1(F),XS(j)
- P(g);OGATE::P(D),XP(g)
- Refutation
- Q(a);
- Try
- R(A);CHECK,XP(g)
- Vars
- R(f);P_PINS(I),XR(A)::S(G)
- Refutation
- S(i);XR(A)
- Try
- R(K);CHECK
- Vars
- S(j);P_PINR(K),P_SPINS(j)::QAR1(F)
- Refutation
- S(i);P_SPINS(i)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(C)::QAB1(F)
- R(k);XP(H)::QAB1(F)
- S(j);N_GUARD,P_PINR(K),XP(H)::QAR2(F)
- P(d);XP(C)::QAB1(F)
- Q(a);::QAB1(F)
- R(k);::QAB(F),XB(b)
- R(k);::QAB1(F)
- S(i);::QAB1(F)
- S(j);P_PINR(K)::QAB1(F)
- Refutation
- Q(a);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(A)::QAB1(F)
- S(i);::QAB1(F)
- R(k);::QAB1(F)
- S(j);P_PINR(K)::QAB1(F)
- Refutation
- Q(a);CHECK
- Try
- Actual
- B(E);
- Threat
- QAR2(F)
- Vars
- Q(a);N_GUARD,P_PINQ(F)::R(A)
- Q(a);N_GUARD::R(A),XQ(a)
- B(b);N_GUARD::QAB(F),XB(b)
- B(b);N_GUARD::B(B),XB(b)
- S(j);N_GUARD,P_PINR(K)::QAR1(F),XS(j)
- P(g);OGATE::P(D),XP(g)
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).