MESON Chess Problem Database
Problem Display
PID: 99105 (8/2p1pK2/p3B2B/n3k2p/1Qp1PR1P/2P3R1/q2n2P1/6b1 w - - 0 1)
Ersek, Tibor
Sakkelet, 1993
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Sxe4
- 2.Rf5#
- 1...c5
- 2.Qb8#
- 1...c6
- 2.Qb8#
- 1...Bh2
- Tries
- 1.Re3?
- threat
- 2.Rf5#
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 2.Qb8#
- 1...Qa3
- 2.Rf5#
- 1...Sdb3
- 2.Rf5#
- 1...Sab3
- 2.Rf5#
- 1...Sb7
- 2.Rf5#
- 1...Bxe3!
- threat
- 1.Rgf3?
- threat
- 2.Bg7#
- 1...Sxe4
- 2.Rf5#
- 1...Bc5
- 2.Qxc5#
- 1...c5
- 2.Qb8#
- 1...Sxf3!
- threat
- 1.Rgg4?
- threat
- 2.Bg7#
- 2.Rf5#
- 1...Sxe4
- 2.Rxe4#
- 2.Rf5#
- 1...Bc5
- 2.Qxc5#
- 1...c5
- 2.Qb8#
- 1...hxg4!
- threat
- 1.Rfg4?
- threat
- 2.Bg7#
- 1...Sxe4
- 2.Bf4#
- 1...Bc5
- 2.Qxc5#
- 1...c5
- 2.Qb8#
- 1...hxg4!
- threat
- 1.Qxa5+?
- 1...Kd6
- 2.Qd5#
- 1...Bc5
- 2.Qxc5#
- 1...c5
- 2.Qc7#
- 1...Qxa5!
- 1...Kd6
- 1.Qxe7?
- threat
- 2.Bh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bc8#
- 2.Qxc7#
- 1...Sxe4
- 2.Bxc4#
- 2.Rf5#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Bh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bc8#
- 1...Sc6
- 2.Qxc7#
- 1...Sb7
- 2.Bh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bc8#
- 1...c5
- 2.Bh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bc8#
- 2.Qc7#
- 1...c6
- 2.Bh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bc8#
- 2.Qc7#
- 1...Qa3!
- threat
- 1.Qb5+?
- 1...Kd6
- 2.Qd5#
- 2.e5#
- 1...Bc5
- 2.Qxc5#
- 1...c5
- 2.Qb8#
- 1...axb5!
- 1...Kd6
- 1.Qb7?
- threat
- 2.Qd5#
- 2.Qxc7#
- 1...Kd6
- 2.Qd5#
- 1...Sxe4
- 2.Qd5#
- 1...Qa3
- 2.Qd5#
- 1...Bc5
- 2.Qd5#
- 1...Bb6
- 2.Qd5#
- 1...Sc6
- 2.Qxc7#
- 1...c5
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...c6
- 2.Qc7#
- 2.Qb8#
- 1...Sxb7!
- threat
- 1.Re3?
- Keys
- 1.Rd3!
- threat
- 2.Rd5#
- 1...cxd3
- 2.Rf5#
- 1...Bd4
- 2.cxd4#
- 1...c6
- 2.Qb8#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- B(a);N_GUARD::QAR2(D)
- B(a);N_GUARD::QAR2(D),XB(a)
- S(c);SBLOCK,XP(E)::R1(F)
- P(i);OGATEB::QAB(D)
- Tries
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- Q(b);::R1(F)
- S(c);::R1(F)
- S(e);::R1(F)
- Refutation
- B(a);XR(C)
- Try
- R(C);
- Threat
- B(I)
- Vars
- S(c);SBLOCK,XP(E)::R1(F)
- B(a);N_GUARD::QAR2(D),XB(a)
- P(i);OGATEB::QAB(D)
- Refutation
- S(c);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD::QAR2(D),XB(a)
- P(i);OGATEB::QAB(D)
- Refutation
- P(g);XR(C)
- Try
- R(F);
- Threat
- B(I)
- Vars
- S(c);SBLOCK,XP(E)::B(I)
- B(a);N_GUARD::QAR2(D),XB(a)
- P(i);OGATEB::QAB(D)
- Refutation
- P(g);XR(F)
- Try
- Q(D);CHECK,XS(e)
- Vars
- K(f);S_FLIGHT::QAR1(D)
- B(a);N_GUARD,P_SPINB(a)::QAR2(D),XB(a)
- P(i);P_SPINP(i)::QAB(D)
- Refutation
- Q(b);XQ(D)
- Try
- Q(D);XP(j)
- Threat
- DUALS(8)
- Vars
- B(a);N_GUARD::QAR2(D),XB(a)
- S(e);::QAB(D),XP(i)
- Refutation
- Q(b);
- Try
- Q(D);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAR2(D),XB(a)
- P(i);OGATEB,P_SPINP(i)::QAB(D)
- Refutation
- P(h);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- K(f);S_FLIGHT::QAR1(D)
- S(c);XP(E)::QAR1(D)
- Q(b);::QAR1(D)
- B(a);::QAR1(D)
- S(e);::QAB(D),XP(i)
- Refutation
- S(e);XQ(D)
- Try
- Actual
- R(C);
- Threat
- R1(C)
- Vars
- P(d);P_PINB(H),XR(C)::R1(F)
- B(a);OGATE::P(B),XB(a)
- P(i);OGATEB::QAB(D)
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).