MESON Chess Problem Database
Problem Display
PID: 99577 (4Q3/5p2/1np3b1/2NkbN2/r5R1/B1rBn2K/4P3/8 w - - 0 1)
Molnar, Arpad
Budapesti Sakkszovetseg, 1965
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Qe4#
- 1...Bd6
- 2.Sxe3#
- 1...Bh7
- 2.Qxf7#
- 1...Sec4
- 2.e4#
- 1...Sbc4
- 2.Be4#
- 1...f6
- 2.Qe6#
- 1...Bd4
- Tries
- 1.Sxa4?
- threat
- 2.Sxb6#
- 2.Sxe3#
- 1...Rxd3
- 2.Sxb6#
- 1...Bxf5
- 2.Sxb6#
- 1...Sxg4
- 2.Sxb6#
- 2.e4#
- 1...Sxf5
- 2.Sxb6#
- 1...Sxa4
- 2.Sxe3#
- 1...Rb3
- 2.Sxe3#
- 1...Rc5
- 2.Sxb6#
- 1...Bd4
- 2.Rxd4#
- 2.Qe4#
- 1...Bf4
- 2.Sxc3#
- 2.Sxb6#
- 2.Qe4#
- 1...Bc7
- 2.Sxc3#
- 2.Sxe3#
- 2.Rd4#
- 2.Qe4#
- 1...Sd1
- 2.Sxb6#
- 2.e4#
- 1...Sf1
- 2.Sxb6#
- 2.e4#
- 1...Sc2
- 2.Sxb6#
- 2.e4#
- 1...Sg2
- 2.Sxb6#
- 2.e4#
- 1...Sec4
- 2.e4#
- 1...Sbc4
- 2.Be4#
- 1...Sd7
- 2.Sxe3#
- 1...Sa8
- 2.Sxe3#
- 1...Sc8
- 2.Sxe3#
- 1...c5
- 2.Sxb6#
- 1...Rxa3!
- threat
- 1.Rd4+?
- 1...Bxd4
- 2.Qe4#
- 1...Rxd4!
- 1...Bxd4
- 1.Qd7+?
- 1...Bd6
- 2.Qxd6#
- 1...Sxd7!
- 1...Bd6
- 1.Qd8+?
- 1...Bd6
- 2.Qxd6#
- 1...Sd7!
- 1...Bd6
- 1.Sxa4?
- Keys
- 1.Sd7!
- threat
- 2.Sxe3#
- 2.Sxb6#
- 2.Qxe5#
- 1...Rcxa3
- 2.Qxe5#
- 1...Rxd3
- 2.Sxb6#
- 2.Qxe5#
- 1...Raxa3
- 2.Qxe5#
- 1...Rxg4
- 2.Sxb6#
- 2.Qxe5#
- 1...Bxf5
- 2.Sxb6#
- 2.Qxe5#
- 1...Sxg4
- 2.Sxb6#
- 1...Sxf5
- 2.Sxb6#
- 2.Qxe5#
- 1...Sxd7
- 2.Sxe3#
- 1...c5
- 2.Sxb6#
- 1...Rb3
- 2.Sxe3#
- 2.Qxe5#
- 1...Rc5
- 2.Sxb6#
- 2.Qxe5#
- 1...Rb4
- 2.Qxe5#
- 1...Re4
- 2.Sxb6#
- 1...Rf4
- 2.Sxb6#
- 2.Qxe5#
- 1...Ra6
- 2.Sxe3#
- 2.Qxe5#
- 1...Bh2
- 2.Sxe3#
- 2.Sxb6#
- 2.Sf6#
- 1...Bg3
- 2.Sxe3#
- 2.Sxb6#
- 2.Sf6#
- 1...Bd4
- 2.Qe4#
- 1...Bf4
- 2.Sxb6#
- 2.Sf6#
- 1...Bd6
- 2.Sxe3#
- 2.Sxb6#
- 2.Sf6#
- 1...Bf6
- 2.Sxe3#
- 2.Sxb6#
- 2.Sxf6#
- 1...Bc7
- 2.Sxe3#
- 2.Sf6#
- 1...Bg7
- 2.Sxe3#
- 2.Sxb6#
- 1...Bb8
- 2.Sxe3#
- 2.Sxb6#
- 2.Sf6#
- 1...Bh8
- 2.Sxe3#
- 2.Sxb6#
- 1...Sd1
- 2.Sxb6#
- 2.Qxe5#
- 1...Sf1
- 2.Sxb6#
- 2.Qxe5#
- 1...Sc2
- 2.Sxb6#
- 2.Qxe5#
- 1...Sg2
- 2.Sxb6#
- 2.Qxe5#
- 1...Sec4
- 2.e4#
- 1...Sbc4
- 2.Be4#
- 1...Sa8
- 2.Sxe3#
- 2.Qxe5#
- 1...Sc8
- 2.Sxe3#
- 2.Qxe5#
- 1...f6
- 2.Sxe3#
- 2.Sxb6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- B(e);OGATE::QAB1(H)
- B(e);SBLOCK::S(G),XS(b)
- B(h);N_GUARD::QAB(H),XP(i)
- S(b);OGATE,P_PINB(C)::P(A)
- S(f);SBLOCK,S_CUTR(c)::B(C)
- P(i);N_GUARD::QAB1(H)
- Tries
- Try
- S(F);XR(c)
- Threat
- DUALS(2)
- Vars
- R(a);XB(C)::S(F),XS(f)
- B(h);P_PINR(E),XS(G)::S(F),XS(f)
- S(b);P_PINB(C),XS(G)::S(F),XS(f)
- S(f);XS(F)::S(G),XS(b)
- R(a);::S(G),XS(b)
- R(a);::S(F),XS(f)
- S(b);OGATE,P_PINB(C)::P(A)
- S(f);SBLOCK::B(C)
- S(f);::S(G),XS(b)
- P(g);::S(F),XS(f)
- Refutation
- R(a);XB(B)
- Try
- R(E);CHECK
- Vars
- B(e);OGATE,XR(E)::QAB1(H)
- Refutation
- R(c);XR(E)
- Try
- Q(H);CHECK
- Vars
- B(e);N_GUARD,P_SPINB(e)::QAR1(H),XB(e)
- Refutation
- S(f);XQ(H)
- Try
- Q(H);CHECK
- Vars
- B(e);N_GUARD,P_SPINB(e)::QAR1(H),XB(e)
- Refutation
- S(f);P_SPINS(f)
- Try
- Actual
- S(F);
- Threat
- DUALS(3)
- Vars
- R(a);XB(B)::QAR1(H),XB(e)
- R(c);XB(B)::QAR1(H),XB(e)
- S(b);P_PINB(C),XR(E)::S(F),XS(f)
- S(f);XS(F)::S(G),XS(b)
- P(g);::S(F),XS(f)
- R(c);::QAR1(H),XB(e)
- R(c);::S(F),XS(f)
- B(e);OGATE::QAB1(H)
- S(b);OGATE,P_PINB(C)::P(A)
- S(f);SBLOCK,S_CUTR(c)::B(C)
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).