MESON Chess Problem Database
Problem Display
PID: 58082 (8/2p3p1/2K3P1/5P2/2p3N1/2P2k2/2Q1N1qR/2B3Rb w - - 0 1)
Taffs, Anthony John
Chess Life, 1958
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Kxg4+
- 2.Qe4#
- 1...Qf1
- 2.Sd4#
- 2.Se5#
- 2.Rg3#
- 1...Qh3
- 2.Sd4#
- 2.Se5#
- 2.Rf2#
- 2.Rxh3#
- 1...Qxg1
- 2.Se5#
- 1...Qxe2
- 2.Rh3#
- 2.Qxe2#
- 1...Qf2
- 2.Se5#
- 2.Rxf2#
- 1...Qxh2
- 2.Sd4#
- 1...Qg3
- 2.Rxg3#
- 1...Qxg4
- 2.Rf1#
- 1...Kxg4+
- Tries
- 1.Kd5?
- threat
- 2.Qe4#
- 1...Kxg4+
- 2.Qe4#
- 1...Qxe2
- 2.Rh3#
- 2.Qxe2#
- 1...Qxg4
- 2.Rf1#
- 1...c6+!
- threat
- 1.Kxc7?
- 1...Qg3+
- 2.Rxg3#
- 1...Kxg4
- 2.Qe4#
- 1...Qxg1
- 2.Se5#
- 1...Qxe2
- 2.Rh3#
- 2.Qxe2#
- 1...Qxg4
- 2.Rf1#
- 1...Qf1
- 2.Sd4#
- 2.Se5#
- 2.Rg3#
- 1...Qh3
- 2.Sd4#
- 2.Se5#
- 2.Rf2#
- 2.Rxh3#
- 1...Qf2
- 2.Se5#
- 2.Rxf2#
- 1...Qxh2+!
- 1...Qg3+
- 1.Bd2?
- 1...Kxg4+
- 2.Qe4#
- 1...Qxg1
- 2.Se5#
- 1...Qxe2
- 2.Rh3#
- 1...Qxh2
- 2.Sd4#
- 1...Qxg4
- 2.Rf1#
- 1...Qf1
- 2.Sd4#
- 2.Se5#
- 2.Rg3#
- 1...Qh3
- 2.Sd4#
- 2.Se5#
- 2.Rf2#
- 1...Qf2
- 2.Rxf2#
- 1...Qg3
- 2.Rxg3#
- 1...Kxe2+!
- 1...Kxg4+
- 1.Bg5?
- 1...Qxg1
- 2.Se5#
- 1...Qxe2
- 2.Rh3#
- 2.Qxe2#
- 1...Qxh2
- 2.Sd4#
- 1...Qxg4
- 2.Rf1#
- 1...Qf1
- 2.Sd4#
- 2.Se5#
- 2.Rg3#
- 1...Qh3
- 2.Sd4#
- 2.Se5#
- 2.Rf2#
- 2.Rxh3#
- 1...Qf2
- 2.Se5#
- 2.Rxf2#
- 1...Qg3
- 2.Rxg3#
- 1...Kxg4+!
- 1...Qxg1
- 1.Bh6?
- 1...Kxg4+
- 2.Qe4#
- 1...Qxg1
- 2.Se5#
- 1...Qxe2
- 2.Rh3#
- 2.Qxe2#
- 1...Qxh2
- 2.Sd4#
- 1...Qxg4
- 2.Rf1#
- 1...Qf1
- 2.Sd4#
- 2.Se5#
- 2.Rg3#
- 1...Qh3
- 2.Sd4#
- 2.Se5#
- 2.Rf2#
- 2.Rxh3#
- 1...Qf2
- 2.Se5#
- 2.Rxf2#
- 1...Qg3
- 2.Rxg3#
- 1...gxh6!
- 1...Kxg4+
- 1.Rf1+?
- 1...Qxf1
- 2.Se5#
- 1...Qf2
- 2.Se5#
- 1...Kxg4+!
- 1...Qxf1
- 1.Rh3+?
- 1...Qxh3
- 2.Sd4#
- 1...Qg3
- 2.Rgxg3#
- 2.Rhxg3#
- 1...Kxg4+!
- 1...Qxh3
- 1.Qd3+?
- 1...Kxg4+
- 2.Qe4#
- 1...cxd3!
- 1...Kxg4+
- 1.f6?
- 1...Kxg4+
- 2.Qe4#
- 1...Qxg1
- 2.Se5#
- 2.Qf5#
- 1...Qxe2
- 2.Rh3#
- 2.Qf5#
- 2.Qxe2#
- 1...Qxh2
- 2.Sd4#
- 1...Qxg4
- 2.Rf1#
- 1...Qf1
- 2.Sd4#
- 2.Se5#
- 2.Rg3#
- 2.Qf5#
- 1...Qh3
- 2.Sd4#
- 2.Se5#
- 2.Rf2#
- 2.Rxh3#
- 2.Qf5#
- 1...Qf2
- 2.Se5#
- 2.Rxf2#
- 1...Qg3
- 2.Rxg3#
- 1...gxf6!
- 1...Kxg4+
- 1.Kd5?
- Keys
- 1.Qb1!
- 1...Kxe2+
- 2.Qe4#
- 1...Kxg4+
- 2.Qe4#
- 1...Qxg1
- 2.Se5#
- 1...Qxe2
- 2.Rh3#
- 1...Qxh2
- 2.Sd4#
- 1...Qxg4
- 2.Rf1#
- 1...Qf1
- 2.Sd4#
- 2.Se5#
- 2.Rg3#
- 1...Qh3
- 2.Sd4#
- 2.Se5#
- 2.Rf2#
- 1...Qf2
- 2.Rxf2#
- 1...Qg3
- 2.Rxg3#
- 1...Kxe2+
- 1.Qb1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)::QAR2(C)
- Q(b);XR(B)::S(G)
- Q(b);XR(E)::S(D)
- Q(b);OGATE::R1(B),XQ(b)
- Q(b);N_GUARD,SBLOCK,XS(G)::R(B)
- Tries
- Try
- K(I);S_FLIGHT
- Threat
- QAB1(C)
- Vars
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)::QAR2(C)
- Q(b);N_GUARD,SBLOCK,XS(G)::R(B)
- Refutation
- P(e);CHECK
- Try
- K(I);P-FLIGHT,XP(e)
- Vars
- Q(b);CHECK,OGATE::R1(B),XQ(b)
- K(c);P_SPINQ(b),S_FLIGHT,XS(G)::QAR2(C)
- Q(b);XR(B)::S(G)
- Q(b);N_GUARD,SBLOCK,XS(G)::R(B)
- Refutation
- Q(b);CHECK,XR(E)
- Try
- B(A);
- Vars
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)::QAR2(C)
- Q(b);XR(B)::S(G)
- Q(b);N_GUARD,SBLOCK,XS(D)::R(E)
- Q(b);XR(E)::S(D)
- Q(b);N_GUARD,SBLOCK,XS(G)::R(B)
- Q(b);OGATE::R1(E),XQ(b)
- Q(b);OGATE::R1(B),XQ(b)
- Refutation
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(D)
- Try
- B(A);
- Vars
- Q(b);XR(B)::S(G)
- Q(b);XR(E)::S(D)
- Q(b);N_GUARD,SBLOCK,XS(G)::R(B)
- Q(b);OGATE::R1(B),XQ(b)
- Refutation
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)
- Try
- B(A);
- Vars
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)::QAR2(C)
- Q(b);XR(B)::S(G)
- Q(b);XR(E)::S(D)
- Q(b);N_GUARD,SBLOCK,XS(G)::R(B)
- Q(b);OGATE::R1(B),XQ(b)
- Refutation
- P(f);XB(A)
- Try
- R(B);CHECK
- Vars
- Q(b);XR(B)::S(G)
- Q(b);P_SPINQ(b)::S(G)
- Refutation
- K(c);CHECK,S_FLIGHT,XS(G)
- Try
- R(E);CHECK
- Vars
- Q(b);XR(E)::S(D)
- Refutation
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)
- Try
- Q(C);CHECK
- Vars
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)::QAR2(C)
- Refutation
- P(d);XQ(C)
- Try
- P(H);
- Vars
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)::QAR2(C)
- Q(b);XR(E)::S(D)
- Q(b);N_GUARD,SBLOCK,XS(G)::R(B)
- Q(b);OGATE::R1(B),XQ(b)
- Refutation
- P(f);XP(H)
- Try
- Actual
- Q(C);
- Vars
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(D)::QAR2(C)
- K(c);CHECK,P_SPINQ(b),S_FLIGHT,XS(G)::QAR2(C)
- Q(b);XR(B)::S(G)
- Q(b);N_GUARD,SBLOCK,XS(D)::R(E)
- Q(b);XR(E)::S(D)
- Q(b);N_GUARD,SBLOCK,XS(G)::R(B)
- Q(b);OGATE::R1(E),XQ(b)
- Q(b);OGATE::R1(B),XQ(b)
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).