MESON Chess Problem Database
Problem Display
PID: 97015 (8/8/p5pR/K3pb2/1Bpkpp2/2Np1Q2/2P2P2/6N1 w - - 0 1)
Gruber, Bratoljub
Problem (Zagreb), 1968
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...dxc2
- 2.Sge2#
- 1...d2
- 2.Sge2#
- 1...exf3
- 2.Sxf3#
- 1...e3
- 2.Qd5#
- 1...g5
- 2.Rd6#
- 1...Bh3
- Tries
- 1.Kxa6?
- 1...dxc2
- 2.Sge2#
- 1...exf3
- 2.Sxf3#
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...d2
- 2.Sge2#
- 1...e3
- 2.Sb5#
- 2.Qd5#
- 1...g5
- 2.Rd6#
- 1...Bc8+!
- 1...dxc2
- 1.Kb6?
- 1...dxc2
- 2.Sge2#
- 2.Bc5#
- 1...exf3
- 2.Sxf3#
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...d2
- 2.Sge2#
- 2.Bc5#
- 1...e3
- 2.Qd5#
- 1...g5
- 2.Rd6#
- 1...a5!
- 1...dxc2
- 1.Rh1?
- 1...dxc2
- 2.Sge2#
- 1...exf3
- 2.Sxf3#
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...d2
- 2.Sge2#
- 1...e3
- 2.Qd5#
- 1...g5!
- 1...dxc2
- 1.Rh2?
- 1...dxc2
- 2.Sge2#
- 1...exf3
- 2.Sxf3#
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...d2
- 2.Sge2#
- 1...e3
- 2.Qd5#
- 1...g5!
- 1...dxc2
- 1.Rh3?
- 1...Bxh3
- 2.Qxe4#
- 1...dxc2
- 2.Sge2#
- 1...exf3
- 2.Sxf3#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...d2
- 2.Sge2#
- 1...e3
- 2.Qd5#
- 1...g5!
- 1...Bxh3
- 1.Rh4?
- 1...dxc2
- 2.Sge2#
- 1...exf3
- 2.Sxf3#
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...d2
- 2.Sge2#
- 1...e3
- 2.Qd5#
- 2.Qxe3#
- 2.fxe3#
- 1...g5!
- 1...dxc2
- 1.Rxg6?
- threat
- 2.Rd6#
- 1...Be6
- 2.Qxe4#
- 1...Bxg6!
- threat
- 1.Rh7?
- 1...dxc2
- 2.Sge2#
- 1...exf3
- 2.Sxf3#
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Rxd7#
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...d2
- 2.Sge2#
- 1...e3
- 2.Qd5#
- 1...g5!
- 1...dxc2
- 1.Rh8?
- 1...dxc2
- 2.Sge2#
- 1...exf3
- 2.Sxf3#
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...d2
- 2.Sge2#
- 1...e3
- 2.Qd5#
- 1...g5!
- 1...dxc2
- 1.Qxd3+?
- 1...exd3
- 2.Sf3#
- 1...cxd3!
- 1...exd3
- 1.Qxf4?
- threat
- 2.Sf3#
- 2.Qe3#
- 1...dxc2
- 2.Qd2#
- 2.Qe3#
- 1...Bg4
- 2.Qe3#
- 2.Qxe4#
- 1...exf4!
- threat
- 1.Kxa6?
- Keys
- 1.Qe2!
- 1...dxc2
- 2.Qd2#
- 1...dxe2
- 2.Sgxe2#
- 1...g5
- 2.Rd6#
- 1...Bh3
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...d2
- 2.Qxd2#
- 1...e3
- 2.Sf3#
- 1...f3
- 2.Qe3#
- 1...dxc2
- 1.Qe2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);N_GUARD,XP(B)::S(A)
- P(a);N_GUARD::S(A)
- P(d);XQ(E)::S(A),XP(d)
- P(d);OGATE::QAR1(E)
- P(i);OGATE::R(H)
- Tries
- Try
- K(G);P-FLIGHT,XP(h)
- Vars
- P(a);N_GUARD,XP(B)::S(A)
- P(d);XQ(E)::S(A),XP(d)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);N_GUARD::S(A)
- P(i);OGATE::R(H)
- Refutation
- B(g);CHECK
- Try
- K(G);S_FLIGHT
- Vars
- P(d);XQ(E)::S(A),XP(d)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(d);OGATE::QAR1(E)
- P(i);OGATE::R(H)
- Refutation
- P(h);
- Try
- R(H);
- Vars
- P(a);N_GUARD,XP(B)::S(A)
- P(d);XQ(E)::S(A),XP(d)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);N_GUARD::S(A)
- P(d);OGATE::QAR1(E)
- Refutation
- P(i);
- Try
- R(H);
- Vars
- P(a);N_GUARD,XP(B)::S(A)
- P(d);XQ(E)::S(A),XP(d)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);N_GUARD::S(A)
- P(d);OGATE::QAR1(E)
- Refutation
- P(i);
- Try
- R(H);
- Vars
- B(g);N_GUARD,XR(H)::QAR1(E),XP(d)
- P(a);N_GUARD,XP(B)::S(A)
- P(d);XQ(E)::S(A),XP(d)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);N_GUARD::S(A)
- P(d);OGATE::QAR1(E)
- Refutation
- P(i);
- Try
- R(H);
- Vars
- P(a);N_GUARD,XP(B)::S(A)
- P(d);P_SPINP(e),XQ(E)::S(A),XP(d)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);N_GUARD::S(A)
- Refutation
- P(i);
- Try
- R(H);XP(i)
- Threat
- R(H)
- Vars
- B(g);N_GUARD::QAR1(E),XP(d)
- Refutation
- B(g);XR(H)
- Try
- R(H);
- Vars
- P(a);N_GUARD,XP(B)::S(A)
- P(d);XQ(E)::S(A),XP(d)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);N_GUARD::S(A)
- P(d);OGATE::QAR1(E)
- Refutation
- P(i);
- Try
- R(H);
- Vars
- P(a);N_GUARD,XP(B)::S(A)
- P(d);XQ(E)::S(A),XP(d)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);N_GUARD::S(A)
- P(d);OGATE::QAR1(E)
- Refutation
- P(i);
- Try
- Q(E);CHECK,XP(a)
- Vars
- P(d);XQ(E)::S(A)
- Refutation
- P(b);XQ(E)
- Try
- Q(E);P_PINP(d),XP(e)
- Threat
- DUALS(2)
- Refutation
- P(f);N_SPINP(d),XQ(E)
- Try
- Actual
- Q(E);
- Vars
- P(a);OGATEB,XP(B)::QAR2(E)
- P(a);XQ(E)::S(A),XP(a)
- P(i);OGATE::R(H)
- B(g);N_GUARD::QAR1(E),XP(d)
- P(a);OGATEB::QAR2(E),XP(a)
- P(d);N_GUARD::S(A)
- P(e);N_GUARD::QAB1(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).