MESON Chess Problem Database
Problem Display
PID: 7887 (Qn6/1r1p4/3P3p/1R5P/1P3k1K/2Np1P2/5R2/5N2 w - - 0 1)
Strydom, Jan
Randburg Chess Club Solving Ty., 1994
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Qe4#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...d2
- 2.Se2#
- 1...Rxb5
- Tries
- 1.Kh3?
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...d2
- 2.Se2#
- 1...Rxb5!
- 1...Rb6
- 1.Se3?
- threat
- 2.Sg2#
- 1...Rxb5
- 2.Qe4#
- 1...Kxe3!
- threat
- 1.Sb1?
- 1...Rxb5
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sc6
- 2.Qf8#
- 1...d2!
- 1...Rxb5
- 1.Sd1?
- 1...Rxb5
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sc6
- 2.Qf8#
- 1...d2!
- 1...Rxb5
- 1.Sa2?
- 1...Rxb5
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sc6
- 2.Qf8#
- 1...d2!
- 1...Rxb5
- 1.Sa4?
- 1...Rxb5
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sc6
- 2.Qf8#
- 1...d2!
- 1...Rxb5
- 1.Ra2?
- 1...Kxf3
- 2.Rf5#
- 1...Rxb5
- 2.Qe4#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...d2!
- 1...Kxf3
- 1.Rb2?
- 1...Kxf3
- 2.Rf5#
- 1...Rxb5
- 2.Qe4#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...d2!
- 1...Kxf3
- 1.Rh2?
- 1...Kxf3
- 2.Rf5#
- 1...Rxb5
- 2.Qe4#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...d2!
- 1...Kxf3
- 1.Ra5?
- 1...Rb5
- 2.Qe4#
- 1...d2
- 2.Se2#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...Rxb4!
- 1...Rb5
- 1.Rc5?
- 1...d2
- 2.Se2#
- 1...Rb5
- 2.Qe4#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...Rxb4!
- 1...d2
- 1.Rg5?
- threat
- 2.Sd5#
- 1...Rb5
- 2.Qe4#
- 1...hxg5+!
- threat
- 1.Qa2?
- threat
- 2.Qc4#
- 2.Qf7#
- 2.Qd2#
- 1...d2
- 2.Se2#
- 2.Qc4#
- 2.Qf7#
- 2.Qxd2#
- 1...Rc7
- 2.Qf7#
- 2.Qd2#
- 1...Sc6
- 2.Qf7#
- 2.Qd2#
- 1...Rxb5!
- threat
- 1.Kh3?
- Keys
- 1.Rd2!
- 1...Kxf3
- 2.Rf5#
- 1...Rxb5
- 2.Qe4#
- 1...Rb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Sa6
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...Kxf3
- 1.Rd2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(d);OGATE,XR(G)::QAR1(J)
- R(d);OGATE::QAR1(J)
- S(f);OGATE::QAR(J)
- P(a);N_GUARD::S(C)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- R(d);OGATE::QAR1(J)
- S(f);OGATE::QAR(J)
- P(a);N_GUARD::S(C)
- Refutation
- R(d);XR(G)
- Try
- S(A);
- Threat
- S(A)
- Vars
- R(d);OGATE,XR(G)::QAR1(J)
- Refutation
- K(b);S_FLIGHT,XS(A)
- Try
- S(C);
- Vars
- R(d);OGATE,XR(G)::QAR1(J)
- S(f);OGATE::QAR(J)
- R(d);OGATE::QAR1(J)
- Refutation
- P(a);
- Try
- S(C);
- Vars
- R(d);OGATE,XR(G)::QAR1(J)
- S(f);OGATE::QAR(J)
- R(d);OGATE::QAR1(J)
- Refutation
- P(a);
- Try
- S(C);
- Vars
- R(d);OGATE,XR(G)::QAR1(J)
- S(f);OGATE::QAR(J)
- R(d);OGATE::QAR1(J)
- Refutation
- P(a);
- Try
- S(C);
- Vars
- R(d);OGATE,XR(G)::QAR1(J)
- S(f);OGATE::QAR(J)
- R(d);OGATE::QAR1(J)
- Refutation
- P(a);
- Try
- R(B);
- Vars
- K(b);P-FLIGHT,P_SPINR(d),XP(D)::R(G)
- R(d);OGATE,XR(G)::QAR1(J)
- R(d);OGATE::QAR1(J)
- S(f);OGATE::QAR(J)
- Refutation
- P(a);
- Try
- R(B);
- Vars
- K(b);P-FLIGHT,P_SPINR(d),XP(D)::R(G)
- R(d);OGATE,XR(G)::QAR1(J)
- R(d);OGATE::QAR1(J)
- S(f);OGATE::QAR(J)
- Refutation
- P(a);
- Try
- R(B);
- Vars
- K(b);P-FLIGHT,P_SPINR(d),XP(D)::R(G)
- R(d);OGATE,XR(G)::QAR1(J)
- R(d);OGATE::QAR1(J)
- S(f);OGATE::QAR(J)
- Refutation
- P(a);
- Try
- R(G);
- Vars
- R(d);OGATE::QAR1(J)
- P(a);N_GUARD::S(C)
- S(f);OGATE::QAR(J)
- Refutation
- R(d);XP(E)
- Try
- R(G);
- Vars
- P(a);N_GUARD::S(C)
- R(d);OGATE::QAR1(J)
- S(f);OGATE::QAR(J)
- Refutation
- R(d);XP(E)
- Try
- R(G);
- Threat
- S(C)
- Vars
- R(d);OGATE::QAR1(J)
- Refutation
- P(c);CHECK,XR(G)
- Try
- Q(J);
- Threat
- DUALS(3)
- Refutation
- R(d);XR(G)
- Try
- Actual
- R(B);
- Vars
- K(b);P-FLIGHT,P_SPINR(d),XP(D)::R(G)
- R(d);OGATE,XR(G)::QAR1(J)
- R(d);OGATE::QAR1(J)
- S(f);OGATE::QAR(J)
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