MESON Chess Problem Database
Problem Display
PID: 39760 (6n1/2pN2r1/2R5/3PPkpP/2p3Rp/1BK1BP1q/2PNQ1p1/1b6 w - - 0 1)
Bakcsi, Gyorgy
2nd Prize, Magyar Sakkelet, 1969
#2
13 + 10
| 3751 | FIDE Album (1968-1970) | 1977 |
| 56 | The Problemist | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qxg4
- 2.fxg4#
- 1...Qxf3
- 2.Qxf3#
- 1...Rxd7
- 2.Rxg5#
- 1...Re7
- 2.Rxg5#
- 1...Rf7
- 2.Rxg5#
- 1...Rh7
- 2.Rxg5#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Sh6
- 2.Rf6#
- 1...Se7
- 2.Rf6#
- 1...cxb3
- 2.Qd3#
- 1...Qxg4
- Tries
- 1.Sxc4?
- threat
- 2.Qd3#
- 1...Qxf3
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 2.Qxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxg4!
- threat
- 1.Bxc4?
- threat
- 2.Bd3#
- 2.Qd3#
- 1...Qxg4
- 2.fxg4#
- 1...Qxf3
- 2.Qxf3#
- 1...Rxd7
- 2.Rxg5#
- 1...Sf6
- 2.Rxf6#
- 1...Bxc2!
- threat
- 1.Bg1?
- threat
- 2.Qe4#
- 1...Qxf3+
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxg4!
- threat
- 1.Bf2?
- threat
- 2.Qe4#
- 1...Qxf3+
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxg4!
- threat
- 1.Bd4?
- threat
- 2.Qe4#
- 1...Qxf3+
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxg4!
- threat
- 1.Bf4?
- threat
- 2.Qe4#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxf3+!
- threat
- 1.Bc5?
- threat
- 2.Qe4#
- 1...Qxf3+
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxg4!
- threat
- 1.Bxg5?
- threat
- 2.Qe4#
- 1...Qxf3+
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxg4!
- threat
- 1.Bb6?
- threat
- 2.Qe4#
- 1...Qxf3+
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxg4!
- threat
- 1.Ba7?
- threat
- 2.Qe4#
- 1...Qxf3+
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxg4!
- threat
- 1.Rgxc4?
- threat
- 2.Qd3#
- 1...Qxf3
- 2.Qxf3#
- 1...Bxc2
- 2.Bxc2#
- 1...Qg4
- 2.fxg4#
- 1...Sf6
- 2.Rxf6#
- 1...Rxd7!
- threat
- 1.Rcxc4?
- threat
- 2.Qd3#
- 1...Qxg4
- 2.fxg4#
- 1...Qxf3
- 2.Qxf3#
- 1...Rxd7
- 2.Rxg5#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6!
- threat
- 1.Qxc4?
- threat
- 2.Qd3#
- 2.Qe4#
- 1...Qxg4
- 2.Qxg4#
- 2.fxg4#
- 1...Rxd7
- 2.Rxg5#
- 2.Qe4#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- 1...Qxf3!
- threat
- 1.Sxc4?
- Keys
- 1.Kxc4!
- threat
- 2.Qd3#
- 1...Qxg4+
- 2.fxg4#
- 1...Qxf3
- 2.Qxf3#
- 1...Rxd7
- 2.Rxg5#
- 1...Bxc2
- 2.Bxc2#
- 1...Sf6
- 2.Rxf6#
- threat
- 1.Kxc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(c);OGATE,XR(H)::P(G),XQ(c)
- Q(c);OGATE,P_PINB(F),XP(G)::QAR2(C),XQ(c)
- R(i);N_GUARD,XS(M)::R1(H),XP(g)
- R(i);N_GUARD::R1(H),XP(g)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- S(j);N_GUARD::R1(L)
- P(d);N_GUARD,XB(D)::QAB(C)
- Tries
- Try
- S(B);XP(d)
- Threat
- QAB(C)
- Vars
- Q(c);OGATE,P_PINB(F),XP(G)::QAR2(C),XQ(c)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);XR(H)
- Try
- B(D);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(c);OGATE,XR(H)::P(G),XQ(c)
- Q(c);OGATE,P_PINB(F),XP(G)::QAR2(C),XQ(c)
- R(i);N_GUARD,XS(M)::R1(H),XP(g)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- B(a);XP(A)
- Try
- B(F);P_SPINP(G)
- Threat
- QAB1(C)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR2(C),XQ(c)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);N_PINP(G),XR(H)
- Try
- B(F);P_SPINP(G)
- Threat
- QAB1(C)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR2(C),XQ(c)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);N_PINP(G),XR(H)
- Try
- B(F);P_SPINP(G)
- Threat
- QAB1(C)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR2(C),XQ(c)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);N_PINP(G),XR(H)
- Try
- B(F);P_SPINP(G)
- Threat
- QAB1(C)
- Vars
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);CHECK,XP(G)
- Try
- B(F);P_SPINP(G)
- Threat
- QAB1(C)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR2(C),XQ(c)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);N_PINP(G),XR(H)
- Try
- B(F);P_SPINP(G),XP(g)
- Threat
- QAB1(C)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR2(C),XQ(c)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);N_PINP(G),XR(H)
- Try
- B(F);P_SPINP(G)
- Threat
- QAB1(C)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR2(C),XQ(c)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);N_PINP(G),XR(H)
- Try
- B(F);P_SPINP(G)
- Threat
- QAB1(C)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR2(C),XQ(c)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);N_PINP(G),XR(H)
- Try
- R(H);XP(d)
- Threat
- QAB(C)
- Vars
- Q(c);OGATE,P_PINB(F),XP(G)::QAR2(C),XQ(c)
- B(a);OGATE,XP(A)::B(D),XB(a)
- Q(c);OGATE::P(G),XQ(c)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- R(i);XS(M)
- Try
- R(L);XP(d)
- Threat
- QAB(C)
- Vars
- Q(c);OGATE,XR(H)::P(G),XQ(c)
- Q(c);OGATE,P_PINB(F),XP(G)::QAR2(C),XQ(c)
- R(i);N_GUARD,XS(M)::R1(H),XP(g)
- B(a);OGATE,XP(A)::B(D),XB(a)
- Refutation
- S(j);
- Try
- Q(C);XP(d)
- Threat
- DUALS(2)
- Vars
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
- Refutation
- Q(c);P_PINB(F),XP(G)
- Try
- Actual
- K(E);P-FLIGHT,XP(d)
- Threat
- QAB(C)
- Vars
- Q(c);CHECK,OGATE,XR(H)::P(G),XQ(c)
- Q(c);OGATE,XP(G)::QAR2(C),XQ(c)
- R(i);N_GUARD,XS(M)::R1(H),XP(g)
- B(a);OGATE,XP(A)::B(D),XB(a)
- S(j);N_GUARD::R1(L),XS(j)
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).