MESON Chess Problem Database
Problem Display
PID: 11375 (8/8/8/1bn1p3/1p1kB1R1/Rr2N2K/1rPP1pP1/B1N2Q1n w - - 0 1)
Wynne, RL
Chess, 1938
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Se2#
- 1...Rxe3+
- 2.dxe3#
- 1...Be2
- 2.Sxe2#
- 1...Ba4
- 2.Se2#
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bc6
- 2.Se2#
- 2.Qc4#
- 1...Bd7
- 2.Se2#
- 2.Qc4#
- 1...Be8
- 2.Se2#
- 2.Qc4#
- 1...Sd3
- 2.Sxb3#
- 1...Sa4
- 2.Sxb3#
- 1...Sxe4
- 2.Sxb3#
- 1...Sa6
- 2.Sxb3#
- 1...Se6
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd7
- 2.Sxb3#
- 1...Rd3
- Tries
- 1.Bxb2+?
- 1...Rxb2
- 2.Sf5#
- 1...Rc3!
- 1...Rxb2
- 1.Bd3+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Bf3+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Bd5+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Bf5+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Bc6+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Bg6+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Bb7+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Bh7+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Ba8+?
- 1...Se4
- 2.Sxb3#
- 1...e4!
- 1...Se4
- 1.Qd3+?
- 1...Rxd3
- 2.Se2#
- 1...Sxd3
- 2.Sxb3#
- 1...Bxd3!
- 1...Rxd3
- 1.c3+?
- 1...bxc3
- 2.Sf5#
- 1...Rxc3!
- 1...bxc3
- 1.Bxb2+?
- Keys
- 1.c4!
- threat
- 2.Se2#
- 1...Rxe3+
- 2.dxe3#
- 1...Bxc4
- 2.Qxc4#
- 1...Sxe4
- 2.Sxb3#
- 1...bxc4 ep
- 2.Sf5#
- 1...Sd3
- 2.Sxb3#
- 1...Sa4
- 2.Sxb3#
- 1...Sa6
- 2.Sxb3#
- 1...Se6
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd7
- 2.Sxb3#
- 1...Sg3
- 2.Sc2#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(d);S_CUTB(g)::S(B)
- R(d);CHECK,OGATE,XS(H)::P(E),XR(d)
- B(g);N_GUARD::S(B),XB(g)
- B(g);N_GUARD::QAR1(C),XB(g)
- S(h);N_GUARD,N_PINS(H)::S(B),XR(d)
- S(h);N_GUARD::S(B),XR(d)
- S(h);N_GUARD,P_SPINS(h),XB(J)::S(B),XR(d)
- Tries
- Try
- B(A);CHECK,XR(b)
- Vars
- R(d);N_PINS(H),XB(A)::S(H)
- Refutation
- R(d);P_SPINR(d)
- Try
- B(J);CHECK,N_SPINS(H)
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(J);CHECK,N_SPINS(H)
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(J);CHECK
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(J);CHECK
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(J);CHECK
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(J);CHECK
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(J);CHECK
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(J);CHECK
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(J);CHECK
- Vars
- S(h);P_SPINS(h)::S(B),XR(d)
- Refutation
- P(i);P_SPINP(i)
- Try
- Q(C);CHECK,N_SPINS(H)
- Vars
- R(d);P_PINS(H),XQ(C)::S(B)
- S(h);XQ(C)::S(B),XR(d)
- Refutation
- B(g);XQ(C)
- Try
- P(D);CHECK,N_PINR(b),N_SPINS(H)
- Vars
- P(e);XP(D)::S(H)
- Refutation
- R(d);P_PINS(H),XP(D)
- Try
- Actual
- P(D);
- Threat
- S(B)
- Vars
- R(d);CHECK,OGATE,XS(H)::P(E),XR(d)
- B(g);OGATE,XP(D)::QAR1(C),XB(g)
- S(h);N_GUARD,P_SPINS(h),XB(J)::S(B),XR(d)
- P(e);EP,N_PINS(H),N_SPINR(b),XP(D)::S(H)
- S(h);N_GUARD,N_PINS(H)::S(B),XR(d)
- S(h);N_GUARD::S(B),XR(d)
- S(a);N_PINS(H)::S(H)
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).