MESON Chess Problem Database
Problem Display
PID: 22566 (2Q1N2K/4P1p1/2NP4/3k1P2/1Pp3bR/3ppPP1/1r1PR3/B5q1 w - - 0 1)
Bakcsi, Gyorgy
3rd Prize, Springaren, 1991
#2
14 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxb4
- 2.Sxb4#
- 1...Bxf3
- 2.Rd4#
- 1...Bh3
- 2.Rd4#
- 1...Bxf5
- 2.Rd4#
- 1...Bh5
- 2.Rd4#
- 1...exd2
- 2.Re5#
- 1...Rxb4
- Tries
- 1.Sd4?
- threat
- 2.Qc5#
- 1...Kxd4
- 2.Qc5#
- 1...Ke5
- 2.Qc5#
- 1...Rxb4!
- threat
- 1.Se5?
- threat
- 2.Qc5#
- 1...Kd4
- 2.Qc5#
- 1...Kxe5
- 2.Qc5#
- 1...Rxb4
- 2.Qc6#
- 1...exd2
- 2.Qxc4#
- 1...Bxf5!
- threat
- 1.Sa7?
- threat
- 2.Qc5#
- 1...Kd4
- 2.Qc5#
- 1...Ke5
- 2.Qc5#
- 1...Rxb4
- 2.Qc6#
- 1...Bxf5
- 2.Qxf5#
- 1...exd2!
- threat
- 1.Sb8?
- threat
- 2.Qc5#
- 1...Kd4
- 2.Qc5#
- 1...Ke5
- 2.Qc5#
- 1...Rxb4
- 2.Qc6#
- 1...Bxf5
- 2.Qxf5#
- 1...exd2!
- threat
- 1.Sd8?
- threat
- 2.Qc5#
- 1...Kd4
- 2.Qc5#
- 1...Ke5
- 2.Qc5#
- 1...Rxb4
- 2.Qc6#
- 1...exd2!
- threat
- 1.Sf6+?
- 1...Kxd6
- 2.Qd7#
- 2.e8S#
- 1...gxf6!
- 1...Kxd6
- 1.Qa6?
- threat
- 2.Qb5#
- 1...Bxf5
- 2.Qxc4#
- 1...exd2
- 2.Re5#
- 1...Rxb4!
- threat
- 1.Sd4?
- Keys
- 1.Sa5!
- threat
- 2.Qc5#
- 1...Kd4
- 2.Qc5#
- 1...Ke5
- 2.Qc5#
- 1...Rxb4
- 2.Qc6#
- 1...Bxf5
- 2.Qxf5#
- 1...exd2
- 2.Qxc4#
- threat
- 1.Sa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(b);XP(F)::S(I),XR(b)
- B(f);OGATE,XP(D)::R1(G)
- B(f);OGATE::R1(G)
- B(f);OGATE,XP(H)::R1(G)
- P(d);OGATE,XP(B)::R1(C)
- Tries
- Try
- S(I);
- Threat
- QAR1(L)
- Vars
- K(g);P-FLIGHT,P_SPINB(f),P_SPINR(b),XS(I)::QAB1(L)
- K(g);P-FLIGHT,P_SPINP(d)::QAR2(L)
- Refutation
- R(b);XP(F)
- Try
- S(I);
- Threat
- QAR1(L)
- Vars
- K(g);P-FLIGHT,P_SPINB(f),P_SPINR(b)::QAB1(L)
- K(g);P-FLIGHT,P_SPINP(d),P_SPINR(b),XS(I)::QAR2(L)
- R(b);XP(F)::QAB1(L)
- P(d);XP(B)::QAB1(L),XP(e)
- Refutation
- B(f);XP(H)
- Try
- S(I);
- Threat
- QAR1(L)
- Vars
- K(g);P-FLIGHT,P_SPINB(f),P_SPINR(b)::QAB1(L)
- K(g);P-FLIGHT,P_SPINP(d),P_SPINR(b)::QAR2(L)
- R(b);XP(F)::QAB1(L)
- B(f);OGATE,XP(H)::QAR2(L),XB(f)
- Refutation
- P(d);XP(B)
- Try
- S(I);
- Threat
- QAR1(L)
- Vars
- K(g);P-FLIGHT,P_SPINB(f),P_SPINR(b)::QAB1(L)
- K(g);P-FLIGHT,P_SPINP(d),P_SPINR(b)::QAR2(L)
- R(b);XP(F)::QAB1(L)
- B(f);OGATE,XP(H)::QAR2(L),XB(f)
- Refutation
- P(d);XP(B)
- Try
- S(I);
- Threat
- QAR1(L)
- Vars
- K(g);P-FLIGHT,P_SPINB(f),P_SPINR(b)::QAB1(L)
- K(g);P-FLIGHT,P_SPINP(d),P_SPINR(b)::QAR2(L)
- R(b);XP(F)::QAB1(L)
- Refutation
- P(d);XP(B)
- Try
- S(M);CHECK
- Refutation
- P(h);XS(M)
- Try
- Q(L);
- Threat
- QAR2(L)
- Vars
- B(f);XP(H)::QAB1(L),XP(e)
- P(d);OGATE,XP(B)::R1(C)
- Refutation
- R(b);XP(F)
- Try
- Actual
- S(I);
- Threat
- QAR1(L)
- Vars
- K(g);P-FLIGHT,P_SPINB(f),P_SPINR(b)::QAB1(L)
- K(g);P-FLIGHT,P_SPINP(d),P_SPINR(b)::QAR2(L)
- R(b);XP(F)::QAB1(L)
- B(f);OGATE,XP(H)::QAR2(L),XB(f)
- P(d);XP(B)::QAB1(L),XP(e)
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).