MESON Chess Problem Database
Problem Display
PID: 50753 (8/1p3pQ1/1B4nN/8/8/2N3pR/6k1/4K2R w K - 0 1)
Gruber, Bratoljub
Problem (Zagreb), 1955
#2
7 + 5
| 273 | Mat Plus | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Kf3
- 2.0-0#
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3
- Tries
- 1.Kd1?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Kd2?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Ke2?
- 1...Sh4
- 2.R1h2#
- 2.R3h2#
- 2.Qxg3#
- 1...Se5
- 2.R1h2#
- 2.R3h2#
- 2.Qxg3#
- 1...Se7
- 2.R1h2#
- 2.R3h2#
- 2.Qxg3#
- 1...Sf8
- 2.R1h2#
- 2.R3h2#
- 2.Qxg3#
- 1...Sh8
- 2.R1h2#
- 2.R3h2#
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Sf4+!
- 1...Sh4
- 1.Sb1?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Sd1?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Sa2?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Se2?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Sa4?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Sb5?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qxb7#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Sf5?
- 1...Sf4
- 2.Sh4#
- 2.Qxg3#
- 1...Sh4
- 2.Sxh4#
- 2.Qxg3#
- 1...Se5
- 2.Sh4#
- 2.Qxg3#
- 1...Se7
- 2.Sh4#
- 2.Qxg3#
- 1...Sf8
- 2.Sh4#
- 2.Qxg3#
- 1...Sh8
- 2.Sh4#
- 2.Qxg3#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...Sf4
- 1.Sxf7?
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...Kf3!
- 1...Sf4
- 1.Sg8?
- 1...f5
- 2.Qxb7#
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f6
- 2.Qxb7#
- 1...Kf3!
- 1...f5
- 1.R1h2+?
- 1...Kf3
- 2.Rf2#
- 1...gxh2!
- 1...Kf3
- 1.R3h2+?
- 1...Kf3
- 2.Rf1#
- 2.0-0#
- 1...gxh2!
- 1...Kf3
- 1.Qe5?
- threat
- 2.Qxg3#
- 2.Qe2#
- 2.Qe4#
- 2.Qd5#
- 1...Kf3
- 2.Rxg3#
- 2.Qxg3#
- 2.Qe4#
- 2.0-0#
- 1...Sf4
- 2.Qe4#
- 1...Sh4
- 2.Qxg3#
- 2.Qe2#
- 1...Se7
- 2.Qxg3#
- 2.Qe2#
- 2.Qe4#
- 1...f5
- 2.Qxg3#
- 2.Qe2#
- 2.Qd5#
- 1...Sxe5!
- threat
- 1.Qxg6?
- threat
- 2.Qe4#
- 2.Qxg3#
- 1...Kf3
- 2.Qe4#
- 2.Qxg3#
- 2.0-0#
- 1...f5
- 2.Qxg3#
- 1...fxg6!
- threat
- 1.Qxf7?
- threat
- 2.Qd5#
- 2.Qf1#
- 2.Qxb7#
- 1...Sh4
- 2.Qf1#
- 1...Se5
- 2.Qf1#
- 1...Se7
- 2.Qf1#
- 1...Sf4!
- threat
- 1.Kd1?
- Keys
- 1.Qg8!
- 1...Kf3
- 2.0-0#
- 1...Sf4
- 2.Qxg3#
- 1...Sh4
- 2.Qxg3#
- 1...Se5
- 2.Qxg3#
- 1...Se7
- 2.Qxg3#
- 1...Sf8
- 2.Qxg3#
- 1...Sh8
- 2.Qxg3#
- 1...f5
- 2.Qd5#
- 1...f6
- 2.Qd5#
- 1...Kf3
- 1.Qg8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(a);P_SPINP(b),S_FLIGHT::0-0
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- K(A);S_FLIGHT
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- K(A);P-FLIGHT
- Vars
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- S(c);CHECK,P_SPINP(b)
- Try
- S(C);
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(C);
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(C);
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(C);
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(C);
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(C);
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(F);
- Vars
- P(e);OGATE::QAB(G),XP(d)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(F);XP(e)
- Vars
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(F);
- Vars
- P(e);OGATE::QAB(G),XP(d)
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- R(B);CHECK
- Vars
- K(a);OGATE,P_SPINP(b),S_FLIGHT::R1(B)
- Refutation
- P(b);P_SPINS(c),XR(B)
- Try
- R(D);CHECK
- Refutation
- P(b);P_SPINS(c),XR(D)
- Try
- Q(G);
- Threat
- DUALS(4)
- Vars
- S(c);::QAB(G)
- Refutation
- S(c);XQ(G)
- Try
- Q(G);P_PINP(b),XS(c)
- Threat
- DUALS(2)
- Vars
- P(e);::QAR1(G),XP(b)
- Refutation
- P(e);N_SPINP(b),XQ(G)
- Try
- Q(G);XP(e)
- Threat
- DUALS(3)
- Vars
- S(c);::QAB1(G)
- Refutation
- S(c);
- Try
- Actual
- Q(G);
- Vars
- K(a);P_SPINP(b),S_FLIGHT::0-0
- S(c);OGATE,P_SPINP(b)::QAR1(G),XP(b)
- P(e);OGATE::QAB(G)
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).