MESON Chess Problem Database
Problem Display
PID: 46814 (n3K3/2p1P2B/1pP3Rp/1P1N3q/2P1k3/5NBp/4P2P/4R3 w - - 0 1)
Lipton, Michael
American Chess Bulletin, 1960
#2
13 + 7
| 3749 | FIDE Album (1959-1961) | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.e4#
- 1...Qxf3
- 2.Rg4#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qxg6+
- 2.Bxg6#
- 1...Qh4
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qxd5
- 2.Re6#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Kf5
- Tries
- 1.Kd7?
- threat
- 2.Rg4#
- 2.Re6#
- 1...Qg4+
- 2.Rxg4#
- 2.Re6#
- 1...Qf5+
- 2.Re6#
- 1...Kf5
- 2.Rg5#
- 2.e4#
- 1...Qxf3
- 2.Rg4#
- 1...Qxg6
- 2.Bxg6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Qxd5+!
- threat
- 1.Kd8?
- threat
- 2.Rg4#
- 2.Re6#
- 1...Kf5
- 2.e4#
- 1...Qxf3
- 2.Rg4#
- 1...Qxg6
- 2.Bxg6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Qxd5+!
- threat
- 1.Sd2+?
- 1...Kf5
- 2.Se3#
- 2.e4#
- 1...Kd4!
- 1...Kf5
- 1.Sc3+?
- 1...Kf5
- 2.Sd4#
- 2.e4#
- 1...Ke3!
- 1...Kf5
- 1.Sf6+?
- 1...Kf5
- 2.Sd4#
- 1...Ke3!
- 1...Kf5
- 1.Be5?
- 1...Qxg6+
- 2.Bxg6#
- 1...Kf5
- 2.e4#
- 1...Qxe5
- 2.Rg4#
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 1...Qh4
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qf5
- 2.Rg4#
- 1...Qg5
- 2.Rxg5#
- 1...Qxf3!
- 1...Qxg6+
- 1.Bd6?
- 1...Qxg6+
- 2.Bxg6#
- 1...Kf5
- 2.e4#
- 1...Qxf3
- 2.Rg4#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...cxd6!
- 1...Qxg6+
- 1.Bxc7?
- 1...Qxg6+
- 2.Bxg6#
- 1...Kf5
- 2.e4#
- 1...Qxf3
- 2.Rg4#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Sxc7+!
- 1...Qxg6+
- 1.Ra1?
- 1...Qxg6+
- 2.Bxg6#
- 1...Qxf3
- 2.Rg4#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Kf5!
- 1...Qxg6+
- 1.Rb1?
- 1...Qxg6+
- 2.Bxg6#
- 1...Qxf3
- 2.Rg4#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Kf5!
- 1...Qxg6+
- 1.Rc1?
- 1...Qxg6+
- 2.Bxg6#
- 1...Qxf3
- 2.Rg4#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Kf5!
- 1...Qxg6+
- 1.Rd1?
- 1...Qxg6+
- 2.Bxg6#
- 1...Qxf3
- 2.Rg4#
- 2.Re6#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rd4#
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Kf5!
- 1...Qxg6+
- 1.Rf1?
- 1...Qxg6+
- 2.Bxg6#
- 1...Qxf3
- 2.Rg4#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Kf5!
- 1...Qxg6+
- 1.Rg1?
- 1...Qxg6+
- 2.Bxg6#
- 1...Qxf3
- 2.Rg4#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Kf5!
- 1...Qxg6+
- 1.Rh1?
- 1...Qxg6+
- 2.Bxg6#
- 1...Qxf3
- 2.Rg4#
- 1...Qxd5
- 2.Re6#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Kf5!
- 1...Qxg6+
- 1.Kd7?
- Keys
- 1.Bf2!
- 1...Qxg6+
- 2.Bxg6#
- 1...Kf5
- 2.e4#
- 1...Qxf3
- 2.Re6#
- 1...Qxd5
- 2.Rg4#
- 1...Qg4
- 2.Rxg4#
- 2.Re6#
- 1...Qh4
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rxh6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe5
- 2.Rg4#
- 2.Re6#
- 1...Qf5
- 2.Rg4#
- 2.Re6#
- 1...Qg5
- 2.Rxg5#
- 2.Re6#
- 1...Qxg6+
- 1.Bf2!
There are these versions: 76912
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);OGATE,S_FLIGHT::P(B)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Tries
- Try
- K(M);N_SPINR(J),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK::R(J)
- Q(c);XS(D)::B(L)+R(J),DCHECK
- Q(c);OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Refutation
- Q(c);CHECK,XS(H)
- Try
- K(M);N_SPINR(J),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- K(b);OGATE,S_FLIGHT::P(B)
- Q(c);XS(D)::B(L)+R(J),DCHECK
- Q(c);OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Refutation
- Q(c);CHECK,XS(H)
- Try
- S(D);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- S(H);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- S(H);CHECK
- Vars
- K(b);S_FLIGHT::S(D)
- Refutation
- K(b);P-FLIGHT
- Try
- B(E);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- K(b);OGATE,S_FLIGHT::P(B)
- Q(c);N_PINR(J)::B(L)+R(J),DCHECK,XQ(c)
- Q(c);N_PINR(J)::R(J)
- Q(c);N_PINR(J)::B(L)+R(J),XQ(c)
- Refutation
- Q(c);N_PINR(J),XS(D)
- Try
- B(E);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- K(b);OGATE,S_FLIGHT::P(B)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- P(f);XB(E)
- Try
- B(E);XP(f)
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- K(b);OGATE,S_FLIGHT::P(B)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- S(g);CHECK,XB(E)
- Try
- R(A);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- B(E);
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(J)::B(L),XQ(c)
- K(b);OGATE,S_FLIGHT::P(B)
- Q(c);N_PINR(J),XS(D)::B(L)+R(J),DCHECK
- Q(c);N_PINR(J),XS(H)::B(L)+R(J),DCHECK
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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