MESON Chess Problem Database
Problem Display
PID: 99720 (4N3/1Q3p1R/2b1p3/b2k3B/Np2p3/2BPP3/K7/1R6 w - - 0 1)
Djummel, Fridrich
Magyar Sakkelet, 1975
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...bxc3
- 2.Rb5#
- 1...b3+
- 2.Qxb3#
- 1...e5
- 2.Bxf7#
- 2.Qxf7#
- 1...f5
- 2.Rd7#
- 1...f6
- 2.Rd7#
- 1...bxc3
- Tries
- 1.Bg6?
- threat
- 2.Bxe4#
- 1...b3+
- 2.Qxb3#
- 1...bxc3
- 2.Rb5#
- 1...fxg6
- 2.Rd7#
- 1...e5
- 2.Bxf7#
- 2.Qxf7#
- 1...f5
- 2.Rd7#
- 1...exd3!
- threat
- 1.Qxb4?
- threat
- 2.Sf6#
- 2.Qc5#
- 2.Qd6#
- 2.Qb3#
- 2.Qc4#
- 2.Qd4#
- 2.Qxe4#
- 2.dxe4#
- 1...Bxa4
- 2.Qd6#
- 2.Qc4#
- 1...Bxe8
- 2.Qc5#
- 1...exd3
- 2.Sf6#
- 2.Bf3#
- 2.Qd4#
- 2.e4#
- 1...Bb5
- 2.Qc5#
- 2.Qd6#
- 2.Qxe4#
- 2.Qxb5#
- 1...Bb7
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 2.Qxe4#
- 2.Qb5#
- 2.Qxb7#
- 1...Bd7
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 2.Qxe4#
- 1...Ba8
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 2.Qxe4#
- 2.Qb5#
- 1...e5
- 2.Bxf7#
- 2.Qd6#
- 2.Qb3#
- 2.Qc4#
- 1...Bb6
- 2.Sxb6#
- 2.Sf6#
- 2.Qd6#
- 2.Qb3#
- 2.Qc4#
- 2.Qxe4#
- 2.dxe4#
- 1...Bc7
- 2.Sf6#
- 2.Sxc7#
- 2.Qc5#
- 2.Qb3#
- 2.Qc4#
- 2.Qd4#
- 2.Qxe4#
- 2.dxe4#
- 1...Bd8
- 2.Qc5#
- 2.Qd6#
- 2.Qb3#
- 2.Qc4#
- 2.Qd4#
- 2.Qxe4#
- 2.dxe4#
- 1...f5
- 2.Sf6#
- 2.Qc5#
- 2.Qd6#
- 2.Qb3#
- 2.Qc4#
- 2.Qd4#
- 1...f6
- 2.Sxf6#
- 2.Qc5#
- 2.Qd6#
- 2.Qb3#
- 2.Qc4#
- 2.Qd4#
- 2.Qxe4#
- 2.dxe4#
- 1...Bxb4!
- threat
- 1.Qb6?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...b3+
- 2.Qxb3#
- 1...Bxa4
- 2.Sf6#
- 2.Sc7#
- 2.Qd6#
- 1...Bxe8
- 2.Qc5#
- 1...exd3
- 2.Qd4#
- 1...e5
- 2.Bxf7#
- 1...Bb5
- 2.Sf6#
- 2.Sc7#
- 2.Qc5#
- 2.Qxb5#
- 2.Qd6#
- 1...Bb7
- 2.Sf6#
- 2.Sc7#
- 2.Qc5#
- 2.Qb5#
- 2.Qd6#
- 2.Qxb7#
- 1...Bd7
- 2.Sf6#
- 2.Sc7#
- 2.Qc5#
- 2.Qd6#
- 1...Ba8
- 2.Sf6#
- 2.Sc7#
- 2.Qc5#
- 2.Qb5#
- 2.Qd6#
- 1...Bxb6!
- threat
- 1.dxe4+?
- 1...Kc4
- 2.Be2#
- 1...Kxe4!
- 1...Kc4
- 1.Bg6?
- Keys
- 1.Bf3!
- threat
- 2.Bxe4#
- 1...b3+
- 2.Qxb3#
- 1...bxc3
- 2.Rb5#
- 1...exf3
- 2.e4#
- 1...e5
- 2.Qxf7#
- 1...f5
- 2.Rd7#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- P(a);OGATE,XB(C)::R(A)
- P(a);CHECK,OGATE::QAB(H),XP(a)
- P(g);OGATE::R(I)
- Tries
- Try
- B(G);
- Threat
- B(G),XP(b)
- Vars
- P(a);CHECK,OGATE::QAB(H),XP(a)
- P(a);OGATE,XB(C)::R(A)
- P(g);OGATE,XB(G)::R(I)
- P(g);OGATE::R(I)
- Refutation
- P(b);XP(D)
- Try
- Q(H);N_PINB(e),XP(a)
- Threat
- DUALS(8)
- Vars
- B(e);XS(J)::QAR1(H)
- Refutation
- B(c);XQ(H)
- Try
- Q(H);N_PINB(e)
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATE::QAB(H),XP(a)
- B(e);XS(J)::QAR1(H)
- P(b);XP(D)::QAR1(H)
- P(f);OGATEB::B(G),XP(g)
- Refutation
- B(c);XQ(H)
- Try
- P(D);CHECK,XP(b)
- Vars
- K(d);N_SPINB(e),S_FLIGHT::B(G)
- Refutation
- K(d);S_FLIGHT,XP(D)
- Try
- Actual
- B(G);P_PINP(b)
- Threat
- B(G),XP(b)
- Vars
- P(a);CHECK,OGATE::QAB(H),XP(a)
- P(a);OGATE,XB(C)::R(A)
- P(b);N_SPINP(b),OGATE,XB(G)::P(E)
- P(f);OGATEB::QAB(H),XP(g)
- P(g);OGATE::R(I)
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).