MESON Chess Problem Database
Problem Display
PID: 187126 (1K2b3/2p3r1/1QN1p3/1PBkP3/2N1np2/2R1p3/1r6/1n1qb2B w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
2nd Prize, Het Belgisch Schaakbord (L'Echiquier Belge), 1995-1996
#2
9 + 12
| 5110 | Bekroonde Problemen | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sb4#
- 1...Rc2
- 2.Sb4#
- 1...Rd2
- 2.Sb4#
- 1...Re2
- 2.Sb4#
- 1...Rf2
- 2.Sb4#
- 1...Rbg2
- 2.Sb4#
- 1...Rh2
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rg1
- 2.Se7#
- 1...Rgg2
- 2.Se7#
- 1...Rg3
- 2.Se7#
- 1...Rg4
- 2.Se7#
- 1...Rg5
- 2.Se7#
- 1...Rg6
- 2.Se7#
- 1...Re7
- 2.Sxe7#
- 1...Rg8
- 2.Se7#
- 1...Bxc6
- 2.Qxc6#
- 1...Bf7
- 2.Se7#
- 1...f3
- 2.Sxe3#
- 1...cxb6
- 2.Sxb6#
- 1...Ra2
- Tries
- 1.Ba3?
- threat
- 2.Qc5#
- 1...Rxb5
- 2.Qxb5#
- 1...cxb6
- 2.Sxb6#
- 1...Qf3
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Rbg2
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rgg2
- 2.Se7#
- 1...f3
- 2.Sxe3#
- 1...Sxa3!
- threat
- 1.Bxe3?
- threat
- 2.Qc5#
- 1...Rxb5
- 2.Qxb5#
- 1...fxe3
- 2.Sxe3#
- 1...cxb6
- 2.Sxb6#
- 1...Qf3
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Rbg2
- 2.Sb4#
- 1...Rgg2
- 2.Se7#
- 1...f3!
- threat
- 1.Bb4?
- threat
- 2.Qc5#
- 1...Rxb4
- 2.Sxb4#
- 1...cxb6
- 2.Sxb6#
- 1...Qf3
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Rgg2
- 2.Se7#
- 1...f3
- 2.Sxe3#
- 1...Rbg2!
- threat
- 1.Bd4?
- threat
- 2.Qc5#
- 1...Qxd4
- 2.Qxd4#
- 1...Rxb5
- 2.Qxb5#
- 1...cxb6
- 2.Sxb6#
- 1...Rbg2
- 2.Sb4#
- 1...Rgg2
- 2.Se7#
- 1...f3
- 2.Sxe3#
- 1...Qf3!
- threat
- 1.Bd6?
- threat
- 2.Qc5#
- 1...Rxb5
- 2.Qxb5#
- 1...cxb6
- 2.Sxb6#
- 1...Qf3
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Rbg2
- 2.Sb4#
- 1...Rgg2
- 2.Se7#
- 1...f3
- 2.Sxe3#
- 1...cxd6!
- threat
- 1.Be7?
- threat
- 2.Qc5#
- 1...Rxb5
- 2.Qxb5#
- 1...Rxe7
- 2.Sxe7#
- 1...cxb6
- 2.Sxb6#
- 1...Qf3
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Rbg2
- 2.Sb4#
- 1...f3
- 2.Sxe3#
- 1...Rgg2!
- threat
- 1.Ba3?
- Keys
- 1.Bf8!
- threat
- 2.Qc5#
- 1...Rxb5
- 2.Qxb5#
- 1...cxb6
- 2.Sxb6#
- 1...Qf3
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Rbg2
- 2.Sb4#
- 1...Rgg2
- 2.Se7#
- 1...Re7
- 2.Sxe7#
- 1...f3
- 2.Sxe3#
- threat
- 1.Bf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 15
- Sets
- R(d);N_GUARD::S(H)
- R(d);N_GUARD,N_SPINS(f)::S(H)
- R(d);N_GUARD::S(H),XR(d)
- R(k);N_GUARD::S(H)
- R(k);N_GUARD,N_SPINS(f)::S(H)
- R(k);N_GUARD::S(H),XR(k)
- B(l);OGATE,XS(H)::QAB1(G),XB(l)
- B(l);S_CUTR(k)::S(H)
- P(g);N_GUARD,N_SPINS(f)::S(C),XP(e)
- P(j);XQ(G)::S(C),XP(j)
- Tries
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- R(d);OGATE,P_PINQ(G),XP(D)::QAR2(G),XR(d)
- P(j);XQ(G)::S(C),XP(j)
- Q(b);N_GUARD,N_SPINS(f)::QAR1(G)
- Q(b);N_GUARD::QAR1(G),XQ(b)
- R(d);N_GUARD,N_SPINS(f)::S(H)
- R(d);N_GUARD::S(H),XR(d)
- R(k);N_GUARD,N_SPINS(f)::S(H)
- P(g);N_GUARD,N_SPINS(f)::S(C),XP(e)
- Refutation
- S(a);XB(E)
- Try
- B(E);XP(e)
- Threat
- QAR1(G)
- Vars
- R(d);OGATE,P_PINQ(G),XP(D)::QAR2(G),XR(d)
- P(g);XB(E)::S(C),XP(g)
- P(j);XQ(G)::S(C),XP(j)
- Q(b);N_GUARD,N_SPINS(f)::QAR1(G)
- Q(b);N_GUARD::QAR1(G),XQ(b)
- R(d);N_GUARD,N_SPINS(f)::S(H)
- R(k);N_GUARD,N_SPINS(f)::S(H)
- Refutation
- P(g);N_SPINS(f)
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- R(d);XB(E)::S(H),XR(d)
- P(j);XQ(G)::S(C),XP(j)
- Q(b);N_GUARD,N_SPINS(f)::QAR1(G)
- Q(b);N_GUARD::QAR1(G),XQ(b)
- R(k);N_GUARD,N_SPINS(f)::S(H)
- P(g);N_GUARD,N_SPINS(f)::S(C),XP(e)
- Refutation
- R(d);N_SPINS(f)
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- Q(b);OGATE,XB(E)::QAR1(G),XQ(b)
- R(d);OGATE,P_PINQ(G),XP(D)::QAR2(G),XR(d)
- P(j);XQ(G)::S(C),XP(j)
- R(d);N_GUARD,N_SPINS(f)::S(H)
- R(k);N_GUARD,N_SPINS(f)::S(H)
- P(g);N_GUARD,N_SPINS(f)::S(C),XP(e)
- Refutation
- Q(b);N_SPINS(f)
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- R(d);OGATE,P_PINQ(G),XP(D)::QAR2(G),XR(d)
- P(j);XQ(G)::S(C),XP(j)
- Q(b);N_GUARD,N_SPINS(f)::QAR1(G)
- Q(b);N_GUARD::QAR1(G),XQ(b)
- R(d);N_GUARD,N_SPINS(f)::S(H)
- R(k);N_GUARD,N_SPINS(f)::S(H)
- P(g);N_GUARD,N_SPINS(f)::S(C),XP(e)
- Refutation
- P(j);XB(E)
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- R(d);OGATE,P_PINQ(G),XP(D)::QAR2(G),XR(d)
- R(k);XB(E)::S(H),XR(k)
- P(j);XQ(G)::S(C),XP(j)
- Q(b);N_GUARD,N_SPINS(f)::QAR1(G)
- Q(b);N_GUARD::QAR1(G),XQ(b)
- R(d);N_GUARD,N_SPINS(f)::S(H)
- P(g);N_GUARD,N_SPINS(f)::S(C),XP(e)
- Refutation
- R(k);N_SPINS(f)
- Try
- Actual
- B(E);
- Threat
- QAR1(G)
- Vars
- R(d);OGATE,P_PINQ(G),XP(D)::QAR2(G),XR(d)
- P(j);XQ(G)::S(C),XP(j)
- Q(b);N_GUARD,N_SPINS(f)::QAR1(G)
- Q(b);N_GUARD::QAR1(G),XQ(b)
- R(d);N_GUARD,N_SPINS(f)::S(H)
- R(k);N_GUARD,N_SPINS(f)::S(H)
- R(k);N_GUARD::S(H),XR(k)
- P(g);N_GUARD,N_SPINS(f)::S(C),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).