MESON Chess Problem Database
Problem Display
PID: 51164 (3R4/2N2p2/3n1p2/4k3/1K2pr2/7p/2BP3B/3Q4 w - - 0 1)
Stewart, John
Stubbs, Arthur Goodwin
Manchester Guardian, 1952
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qa1#
- 1...Kf5
- 2.Qh5#
- 1...Sc4
- 2.Rd5#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...e3+
- 2.d4#
- 1...f5
- 2.Qa1#
- 1...Kd4
- Tries
- 1.Kb3?
- 1...Kf5
- 2.Qh5#
- 1...Sc4
- 2.Rd5#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...e3
- 2.Qa1#
- 2.d4#
- 1...f5
- 2.Qa1#
- 1...Kd4!
- 1...Kf5
- 1.Ka4?
- 1...e3+
- 2.d4#
- 1...Kf5
- 2.Qh5#
- 1...Sc4
- 2.Rd5#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...f5
- 2.Qa1#
- 1...Kd4!
- 1...e3+
- 1.Kc5?
- 1...Kf5
- 2.Qh5#
- 1...Sc4
- 2.Rd5#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...e3
- 2.Qa1#
- 2.d4#
- 1...f5
- 2.Qa1#
- 1...Sb7+!
- 1...Kf5
- 1.Bg3?
- 1...e3+
- 2.d4#
- 1...Kd4
- 2.Qa1#
- 1...Kf5
- 2.Qh5#
- 1...f5
- 2.Qa1#
- 1...Sc4
- 2.Rd5#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...h2!
- 1...e3+
- 1.Re8+?
- 1...Kd4
- 2.Qa1#
- 1...Kf5
- 2.Qh5#
- 1...Sxe8!
- 1...Kd4
- 1.Qf3?
- 1...e3+
- 2.Qxf4#
- 1...Kd4
- 2.Qc3#
- 1...Kf5
- 2.Qh5#
- 1...f5
- 2.Qc3#
- 1...Sc4
- 2.Rd5#
- 2.Qxe4#
- 2.Qxf4#
- 1...Sb5
- 2.Rd5#
- 2.Qxe4#
- 2.Qxf4#
- 1...Sf5
- 2.Bxf4#
- 2.Rd5#
- 2.Qxe4#
- 2.Qxf4#
- 1...Sb7
- 2.Rd5#
- 2.Qxe4#
- 2.Qxf4#
- 1...Sc8
- 2.Rd5#
- 2.Qxe4#
- 2.Qxf4#
- 1...Se8
- 2.Rd5#
- 2.Qxe4#
- 2.Qxf4#
- 1...exf3+!
- 1...e3+
- 1.Qh5+?
- 1...Kd4
- 2.Sb5#
- 2.Rxd6#
- 2.Qc5#
- 2.Qd5#
- 1...Sf5
- 2.Rd5#
- 1...f5!
- 1...Kd4
- 1.Qf1?
- 1...e3+
- 2.Qxf4#
- 1...Kd4
- 2.Qa1#
- 1...f5
- 2.Qa1#
- 1...Sc4
- 2.Rd5#
- 2.Qxf4#
- 1...Sb5
- 2.Rd5#
- 2.Qxb5#
- 2.Qxf4#
- 1...Sf5
- 2.Bxf4#
- 2.Rd5#
- 2.Qb5#
- 2.Qxf4#
- 1...Sb7
- 2.Rd5#
- 2.Qxf4#
- 1...Sc8
- 2.Rd5#
- 2.Qb5#
- 2.Qxf4#
- 1...Se8
- 2.Rd5#
- 2.Qb5#
- 2.Qxf4#
- 1...Kf5!
- 1...e3+
- 1.d4+?
- 1...Kf5
- 2.Qh5#
- 1...exd4 ep+!
- 1...Kf5
- 1.Kb3?
- Keys
- 1.Rd7!
- 1...e3+
- 2.d4#
- 1...Kd4
- 2.Qa1#
- 1...Kf5
- 2.Qh5#
- 1...f5
- 2.Qa1#
- 1...Sc4
- 2.Rd5#
- 1...Sb5
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...e3+
- 1.Rd7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(d);N_SPINR(c),P_SPINS(e),S_FLIGHT::QAB(A)
- K(d);N_SPINR(c),P-FLIGHT,P_SPINP(b)::QAR2(A)
- S(e);OGATE::R1(G)
- S(e);OGATE,SBLOCK::R1(G)
- P(b);CHECK,N_GUARD::P(C)
- P(f);SBLOCK::QAB(A)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- K(d);N_SPINR(c),P-FLIGHT,P_SPINP(b)::QAR2(A)
- S(e);OGATE::R1(G)
- S(e);OGATE,SBLOCK::R1(G)
- P(f);SBLOCK::QAB(A)
- Refutation
- K(d);N_SPINR(c),P_SPINS(e),S_FLIGHT
- Try
- K(E);P-FLIGHT
- Vars
- P(b);CHECK,N_GUARD::P(C)
- K(d);N_SPINR(c),P-FLIGHT,P_SPINP(b)::QAR2(A)
- S(e);OGATE::R1(G)
- S(e);OGATE,SBLOCK::R1(G)
- P(f);SBLOCK::QAB(A)
- Refutation
- K(d);N_SPINR(c),P_SPINS(e),S_FLIGHT
- Try
- K(E);S_FLIGHT
- Vars
- K(d);N_SPINR(c),P-FLIGHT,P_SPINP(b)::QAR2(A)
- S(e);OGATE::R1(G)
- S(e);OGATE,SBLOCK::R1(G)
- P(f);SBLOCK::QAB(A)
- Refutation
- S(e);CHECK
- Try
- B(D);
- Vars
- P(b);CHECK,N_GUARD::P(C)
- K(d);N_SPINR(c),P_SPINS(e),S_FLIGHT::QAB(A)
- K(d);N_SPINR(c),P-FLIGHT,P_SPINP(b)::QAR2(A)
- P(f);SBLOCK::QAB(A)
- S(e);OGATE::R1(G)
- S(e);OGATE,SBLOCK::R1(G)
- Refutation
- P(a);
- Try
- R(G);CHECK
- Vars
- K(d);N_SPINR(c),S_FLIGHT::QAB(A)
- K(d);N_SPINR(c),P-FLIGHT,P_SPINP(b)::QAR2(A)
- Refutation
- S(e);XR(G)
- Try
- Q(A);
- Vars
- P(b);CHECK::QAB1(A),XR(c)
- K(d);N_SPINR(c),P_SPINS(e),S_FLIGHT::QAB1(A)
- K(d);P-FLIGHT,P_SPINP(b)::QAR2(A)
- P(f);SBLOCK::QAB(A)
- Refutation
- P(b);CHECK,XQ(A)
- Try
- Q(A);CHECK
- Vars
- S(e);OGATE,P_SPINS(e)::R1(G)
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(A);
- Vars
- P(b);CHECK::QAB1(A),XR(c)
- K(d);N_SPINR(c),P_SPINS(e),S_FLIGHT::QAB(A)
- P(f);SBLOCK::QAB(A)
- Refutation
- K(d);P-FLIGHT,P_SPINP(b)
- Try
- P(C);CHECK
- Vars
- K(d);N_SPINR(c),P-FLIGHT,P_SPINP(b)::QAR2(A)
- Refutation
- P(b);CHECK,EP,XP(C)
- Try
- Actual
- R(G);
- Vars
- P(b);CHECK,N_GUARD::P(C)
- K(d);N_SPINR(c),P_SPINS(e),S_FLIGHT::QAB(A)
- K(d);N_SPINR(c),P-FLIGHT,P_SPINP(b)::QAR2(A)
- P(f);SBLOCK::QAB(A)
- S(e);OGATE::R1(G)
- S(e);OGATE,SBLOCK::R1(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).