MESON Chess Problem Database
Problem Display
PID: 108989 (4Q1NB/3p2qr/R2pn2r/1Rb1k2p/5p1N/2pPP1Pb/B7/3n2K1 w - - 0 1)
Molnar, Arpad
Fleck MT, 1996
#2
11 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.gxf4#
- 1...Qxh8
- 2.gxf4#
- 1...Bg2
- 2.gxf4#
- 1...Bg4
- 2.gxf4#
- 1...Bf5
- 2.Sf3#
- 1...Qf6
- Tries
- 1.Bxg7+?
- 1...Rf6
- 2.Bxf6#
- 2.gxf4#
- 1...Rxg7!
- 1...Rf6
- 1.Rxc5+?
- 1...d5
- 2.Rxd5#
- 1...dxc5!
- 1...d5
- 1.Ra4?
- threat
- 2.Re4#
- 1...Bg2
- 2.gxf4#
- 1...Bf5
- 2.Sf3#
- 1...Sf2
- 2.exf4#
- 1...d5!
- threat
- 1.Qxh5+?
- 1...Bf5
- 2.Sf3#
- 2.Qxf5#
- 1...Sg5
- 2.gxf4#
- 1...Rxh5!
- 1...Bf5
- 1.Qg6?
- threat
- 2.Sf3#
- 2.Qe4#
- 1...Bg2
- 2.Qf5#
- 1...Bg4
- 2.Qe4#
- 1...Bf5
- 2.Sf3#
- 2.Qxf5#
- 1...Sf2
- 2.Sf3#
- 1...Sd4
- 2.Qe4#
- 2.exf4#
- 2.gxf4#
- 1...Sg5
- 2.d4#
- 2.gxf4#
- 1...f3
- 2.Sxf3#
- 2.Qe4#
- 1...d5
- 2.Sf3#
- 1...Rxg6!
- threat
- 1.Qa8?
- threat
- 2.Qe4#
- 2.Qd5#
- 1...Sxe3
- 2.Qe4#
- 1...Bf5
- 2.Sf3#
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sg5
- 2.Qd5#
- 2.d4#
- 2.gxf4#
- 1...Sc7
- 2.Qe4#
- 2.d4#
- 1...d5
- 2.Qxd5#
- 1...Bg2!
- threat
- 1.Qb8?
- threat
- 2.Qxd6#
- 1...Sd4
- 2.Rxc5#
- 2.exf4#
- 1...Sg5
- 2.Rxc5#
- 2.gxf4#
- 1...Sd8
- 2.Rxc5#
- 1...Sf8
- 2.Rxc5#
- 1...Sc7!
- threat
- 1.Qf8?
- threat
- 2.Sf3#
- 2.Qxd6#
- 1...Qf6
- 2.Qxd6#
- 1...Rf6
- 2.Qxd6#
- 1...Bg2
- 2.Qxd6#
- 2.Qf5#
- 1...Bg4
- 2.Qxd6#
- 1...Sd4
- 2.Qxf4#
- 2.exf4#
- 1...Sg5
- 2.Qxf4#
- 2.gxf4#
- 1...Sc7
- 2.Sf3#
- 2.Qxf4#
- 1...Sd8
- 2.Sf3#
- 2.Qxf4#
- 1...f3
- 2.Sxf3#
- 2.Qxd6#
- 1...d5
- 2.Sf3#
- 1...Sxf8!
- threat
- 1.Bxg7+?
- Keys
- 1.Qxd7!
- threat
- 2.Qxd6#
- 1...Sd4
- 2.exf4#
- 1...Sg5
- 2.gxf4#
- 1...Sc7
- 2.Sf3#
- 1...Sd8
- 2.Sf3#
- 1...Sf8
- 2.Sf3#
- 1...d5
- 2.Qxd5#
- threat
- 1.Qxd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- Q(l);OGATE::P(E),XP(d)
- Q(l);N_SPINQ(l),OGATE,XB(K)::P(E),XP(d)
- B(c);OGATE::P(E),XP(d)
- B(c);SBLOCK::S(F)
- Tries
- Try
- B(K);CHECK,XQ(l)
- Refutation
- R(m);XB(K)
- Try
- R(G);CHECK,N_SPINP(D),P_SPINP(E),XB(e)
- Vars
- P(h);P_SPINP(h)::R1(G),XP(h)
- Refutation
- P(h);XR(G)
- Try
- R(H);
- Threat
- R1(H)
- Vars
- B(c);OGATE::P(E),XP(d)
- B(c);SBLOCK::S(F)
- S(a);N_PINP(D),P_PINP(E)::P(D),XP(d)
- Refutation
- P(h);N_SPINB(e)
- Try
- Q(I);CHECK,N_PINS(i),XP(g)
- Vars
- S(i);OGATE,P_SPINS(i)::P(E),XP(d)
- Refutation
- R(j);XQ(I)
- Try
- Q(I);N_PINS(i)
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD::QAR1(I)
- B(c);::QAR1(I)
- S(a);N_PINP(D)::S(F)
- P(h);N_SPINB(e)::S(F)
- Refutation
- R(j);XQ(I)
- Try
- Q(I);N_PINS(i)
- Threat
- DUALS(2)
- Vars
- S(a);P_PINP(E),XP(D)::QAR1(I)
- S(a);N_PINP(D),P_PINP(E)::QAR1(I)
- P(h);N_SPINB(e)::QAR1(I),XP(h)
- Refutation
- B(c);
- Try
- Q(I);N_PINS(i),P_PINP(h)
- Threat
- QAB1(I),XP(h)
- Vars
- S(i);N_GUARD::R(G),XB(e)
- Refutation
- S(i);N_SPINP(h)
- Try
- Q(I);N_PINS(i)
- Threat
- DUALS(2)
- Vars
- Q(l);::QAB1(I),XP(h)
- R(j);N_SPINQ(l)::QAB1(I),XP(h)
- B(c);::QAB1(I),XP(h)
- P(h);N_SPINB(e)::S(F)
- Refutation
- S(i);XQ(I)
- Try
- Actual
- Q(I);N_PINS(i),XP(k)
- Threat
- QAB1(I),XP(h)
- Vars
- S(i);N_PINP(D),P_PINP(E),SBLOCK::P(D),XP(d)
- S(i);OGATE::P(E),XP(d)
- S(i);::S(F)
- P(h);N_SPINB(e),OGATE::QAR1(I),XP(h)
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).