MESON Chess Problem Database
Problem Display
PID: 15274 (3R4/r1PPpNPp/P3k1B1/4B1P1/KN6/p2Qp2b/qpp2P1P/4r3 w - - 0 1)
Fleck, Ferenc
15th Place, 02. WCCT, 1980-1983
#2
14 + 11
| 264 | Magyar Sakkelet | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qc4#
- 2.Qb3#
- 2.Qd5#
- 1...Qb3+
- 2.Qxb3#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Qa1
- 2.Qc4#
- 2.Qb3#
- 2.Qd5#
- 1...Rxa6+
- 2.Qxa6#
- 1...Bf1
- 2.Qf5#
- 1...Bg2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...exf2
- 2.Qxh3#
- 1...e2
- 2.Qxh3#
- 1...hxg6
- 2.Qxg6#
- 1...Qb1
- Tries
- 1.Bxb2?
- threat
- 2.Qe4#
- 1...Qb3+
- 2.Qxb3#
- 1...Rxa6+
- 2.Qxa6#
- 1...Qxb2
- 2.Qc4#
- 2.Qd5#
- 1...exf2
- 2.Qxh3#
- 1...hxg6
- 2.Qxg6#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Bg2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...axb2+!
- threat
- 1.Bc3?
- threat
- 2.Qe4#
- 1...Rxa6+
- 2.Qxa6#
- 1...exf2
- 2.Qxh3#
- 1...hxg6
- 2.Qxg6#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Bg2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...Qb3+!
- threat
- 1.Bg3?
- threat
- 2.Qe4#
- 1...Qb3+
- 2.Qxb3#
- 1...Rxa6+
- 2.Qxa6#
- 1...hxg6
- 2.Qxg6#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Bg2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...exf2!
- threat
- 1.Bd4?
- threat
- 2.Qe4#
- 1...Qb3+
- 2.Qxb3#
- 1...Rxa6+
- 2.Qxa6#
- 1...exf2
- 2.Qxh3#
- 1...hxg6
- 2.Qxg6#
- 1...Bg2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...Qd5!
- threat
- 1.Bd6?
- threat
- 2.Qe4#
- 1...Qb3+
- 2.Qxb3#
- 1...exf2
- 2.Qxh3#
- 1...hxg6
- 2.Qxg6#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Bg2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...Rxa6+!
- threat
- 1.Bf6?
- threat
- 2.Qe4#
- 1...Qb3+
- 2.Qxb3#
- 1...Rxa6+
- 2.Qxa6#
- 1...exf2
- 2.Qxh3#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Bg2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...hxg6!
- threat
- 1.Bf5+?
- 1...Kxf7
- 2.Rf8#
- 2.g8Q#
- 2.g8B#
- 1...Bxf5!
- 1...Kxf7
- 1.Bxh7?
- threat
- 2.Qg6#
- 1...Qb3+
- 2.Qxb3#
- 1...Kxf7
- 2.Bg8#
- 2.Qg6#
- 2.g8Q#
- 2.g8B#
- 1...Bf5
- 2.Qxf5#
- 1...Rxa6+!
- threat
- 1.Bxb2?
- Keys
- 1.Bf4!
- threat
- 2.Qe4#
- 1...Qb3+
- 2.Qxb3#
- 1...Rxa6+
- 2.Qxa6#
- 1...exf2
- 2.Qxh3#
- 1...hxg6
- 2.Qxg6#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Bg2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(b);CHECK,N_GUARD::QAB(C),XQ(b)
- Q(b);N_GUARD,P_PINS(E)::QAB(C),XQ(b)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- R(i);CHECK,OGATE,XP(H)::QAR(C),XR(i)
- B(g);N_GUARD::QAB1(C)
- B(g);N_GUARD::QAB1(C),XB(g)
- P(f);OGATE,XP(A)::QAB(C),XB(g)
- P(f);OGATE::QAB(C),XB(g)
- P(k);OGATE,XB(I)::QAR2(C),XP(k)
- Tries
- Try
- B(F);XP(c)
- Threat
- QAR2(C)
- Vars
- Q(b);CHECK,N_GUARD::QAB(C),XQ(b)
- R(i);CHECK,OGATE,XP(H)::QAR(C),XR(i)
- P(f);OGATE,XP(A)::QAB(C),XB(g)
- P(k);OGATE,XB(I)::QAR2(C),XP(k)
- Q(b);N_GUARD,P_PINS(E)::QAB(C),XQ(b)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- B(g);N_GUARD::QAB1(C)
- B(g);N_GUARD::QAB1(C),XB(g)
- Refutation
- P(e);CHECK,XB(F)
- Try
- B(F);
- Threat
- QAR2(C)
- Vars
- R(i);CHECK,OGATE,XP(H)::QAR(C),XR(i)
- P(f);OGATE,XP(A)::QAB(C),XB(g)
- P(k);OGATE,XB(I)::QAR2(C),XP(k)
- Q(b);N_GUARD,P_PINS(E)::QAB(C),XQ(b)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- B(g);N_GUARD::QAB1(C)
- B(g);N_GUARD::QAB1(C),XB(g)
- Refutation
- Q(b);CHECK
- Try
- B(F);
- Threat
- QAR2(C)
- Vars
- Q(b);CHECK,N_GUARD::QAB(C),XQ(b)
- R(i);CHECK,OGATE,XP(H)::QAR(C),XR(i)
- P(k);OGATE,XB(I)::QAR2(C),XP(k)
- Q(b);N_GUARD,P_PINS(E)::QAB(C),XQ(b)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- B(g);N_GUARD::QAB1(C)
- B(g);N_GUARD::QAB1(C),XB(g)
- Refutation
- P(f);XP(A)
- Try
- B(F);
- Threat
- QAR2(C)
- Vars
- Q(b);CHECK,N_GUARD::QAB(C),XQ(b)
- R(i);CHECK,OGATE,XP(H)::QAR(C),XR(i)
- P(f);OGATE,XP(A)::QAB(C),XB(g)
- P(k);OGATE,XB(I)::QAR2(C),XP(k)
- B(g);N_GUARD::QAB1(C)
- B(g);N_GUARD::QAB1(C),XB(g)
- Refutation
- Q(b);
- Try
- B(F);
- Threat
- QAR2(C)
- Vars
- Q(b);CHECK,N_GUARD::QAB(C),XQ(b)
- P(f);OGATE,XP(A)::QAB(C),XB(g)
- P(k);OGATE,XB(I)::QAR2(C),XP(k)
- Q(b);N_GUARD,P_PINS(E)::QAB(C),XQ(b)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- B(g);N_GUARD::QAB1(C)
- B(g);N_GUARD::QAB1(C),XB(g)
- Refutation
- R(i);CHECK,XP(H)
- Try
- B(F);
- Threat
- QAR2(C)
- Vars
- Q(b);CHECK,N_GUARD::QAB(C),XQ(b)
- R(i);CHECK,OGATE,XP(H)::QAR(C),XR(i)
- P(f);OGATE,XP(A)::QAB(C),XB(g)
- Q(b);N_GUARD,P_PINS(E)::QAB(C),XQ(b)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- B(g);N_GUARD::QAB1(C)
- B(g);N_GUARD::QAB1(C),XB(g)
- Refutation
- P(k);XB(I)
- Try
- B(I);CHECK
- Refutation
- B(g);XB(I)
- Try
- B(I);XP(k)
- Threat
- QAR2(C)
- Vars
- Q(b);CHECK,N_GUARD::QAB(C),XQ(b)
- B(g);N_GUARD::QAB1(C),XB(g)
- Refutation
- R(i);CHECK,XP(H)
- Try
- Actual
- B(F);
- Threat
- QAR2(C)
- Vars
- Q(b);CHECK,N_GUARD::QAB(C),XQ(b)
- R(i);CHECK,OGATE,XP(H)::QAR(C),XR(i)
- P(f);OGATE,XP(A)::QAB(C),XB(g)
- P(k);OGATE,XB(I)::QAR2(C),XP(k)
- Q(b);N_GUARD,P_PINS(E)::QAB(C),XQ(b)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- B(g);N_GUARD::QAB1(C)
- B(g);N_GUARD::QAB1(C),XB(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).