MESON Chess Problem Database
Problem Display
PID: 17144 (8/2K4b/1PRR4/nr2kP2/3p3N/1p1Q1PP1/1N4p1/4rqb1 w - - 0 1)
Slater, George James
HM., Preti MT, 1908-1910
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.f4#
- 1...Qxd3
- 2.Sxd3#
- 1...Qf2
- 2.Qxb5#
- 1...Qxf3
- 2.Sxf3#
- 1...Ra1
- 2.Qe4#
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Re2
- 2.Qxb5#
- 1...Re3
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rb4
- 2.Rc5#
- 1...Rc5
- 2.Rxc5#
- 1...Rd5
- 2.Re6#
- 1...Rxb6
- 2.Rc5#
- 1...Bf2
- 2.f4#
- 1...Bh2
- 2.Qxd4#
- 1...Be3
- 2.Qe4#
- 1...Bxf5
- 2.Qxf5#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sc4
- 2.Sxc4#
- 1...Sxc6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Qe2
- Tries
- 1.Kd7?
- 1...Bxf5+
- 2.Qxf5#
- 1...Qxd3
- 2.Sxd3#
- 1...Qxf3
- 2.Sxf3#
- 1...Rxb6
- 2.Rc5#
- 1...Sxc6
- 2.Sc4#
- 1...Qe2
- 2.f4#
- 1...Qf2
- 2.Qxb5#
- 1...Ra1
- 2.Qe4#
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Re2
- 2.Qxb5#
- 1...Re3
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rb4
- 2.Rc5#
- 1...Rc5
- 2.Rxc5#
- 1...Bf2
- 2.f4#
- 1...Bh2
- 2.Qxd4#
- 1...Be3
- 2.Qe4#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sc4
- 2.Sxc4#
- 1...Sb7
- 2.Sc4#
- 1...Rd5!
- 1...Bxf5+
- 1.Rc1?
- 1...Rc5+
- 2.Rxc5#
- 1...Qxd3
- 2.Sxd3#
- 1...Qxf3
- 2.Sxf3#
- 1...Rxb6
- 2.Rc5#
- 1...Bxf5
- 2.Qxf5#
- 1...Qe2
- 2.f4#
- 1...Qf2
- 2.Qxb5#
- 1...Rd1
- 2.Qe4#
- 1...Re2
- 2.Qxb5#
- 1...Re3
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rb4
- 2.Rc5#
- 1...Rd5
- 2.Re6#
- 1...Bf2
- 2.f4#
- 1...Bh2
- 2.Qxd4#
- 1...Be3
- 2.Qe4#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sc4
- 2.Sxc4#
- 1...Sc6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Rxc1+!
- 1...Rc5+
- 1.Rc2?
- 1...Rc5+
- 2.Rxc5#
- 1...Qxd3
- 2.Sxd3#
- 1...Qxf3
- 2.Sxf3#
- 1...Rxb6
- 2.Rc5#
- 1...Bxf5
- 2.Qxf5#
- 1...Qe2
- 2.f4#
- 1...Qf2
- 2.Qxb5#
- 1...Ra1
- 2.Qe4#
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Re2
- 2.Qxb5#
- 1...Re3
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rb4
- 2.Rc5#
- 1...Rd5
- 2.Re6#
- 1...Bf2
- 2.f4#
- 1...Bh2
- 2.Qxd4#
- 1...Be3
- 2.Qe4#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sc4
- 2.Sxc4#
- 1...Sc6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...bxc2!
- 1...Rc5+
- 1.Rd5+?
- 1...Rxd5
- 2.Re6#
- 1...Kxd5!
- 1...Rxd5
- 1.Qe2+?
- 1...Rxe2
- 2.Sd3#
- 1...Be3
- 2.Sd3#
- 1...Qxe2!
- 1...Rxe2
- 1.b7?
- 1...Qxd3
- 2.Sxd3#
- 1...Qxf3
- 2.Sxf3#
- 1...Bxf5
- 2.Qxf5#
- 1...Sxc6
- 2.Sc4#
- 1...Sxb7
- 2.Sc4#
- 1...Qe2
- 2.f4#
- 1...Qf2
- 2.Qxb5#
- 1...Ra1
- 2.Qe4#
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Re2
- 2.Qxb5#
- 1...Re3
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rb4
- 2.Rc5#
- 1...Rc5
- 2.Rxc5#
- 1...Rd5
- 2.Re6#
- 1...Rb6
- 2.Rc5#
- 1...Bf2
- 2.f4#
- 1...Bh2
- 2.Qxd4#
- 1...Be3
- 2.Qe4#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sc4
- 2.Sxc4#
- 1...Rxb7+!
- 1...Qxd3
- 1.Kd7?
- Keys
- 1.Rc3!
- 1...Rc5+
- 2.Rxc5#
- 1...Qxd3
- 2.Sxd3#
- 1...Qxf3
- 2.Sxf3#
- 1...Rxb6
- 2.Rc5#
- 1...Bxf5
- 2.Qxf5#
- 1...dxc3
- 2.Re6#
- 1...Qe2
- 2.f4#
- 1...Qf2
- 2.Qxb5#
- 1...Ra1
- 2.Qe4#
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Re2
- 2.Qxb5#
- 1...Re3
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rb4
- 2.Rc5#
- 1...Rd5
- 2.Re6#
- 1...Bf2
- 2.f4#
- 1...Bh2
- 2.Qxd4#
- 1...Be3
- 2.Qe4#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sc4
- 2.Sxc4#
- 1...Sc6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Rc5+
- 1.Rc3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(b);N_GUARD::P(C)
- Q(b);XQ(B)::S(A),XQ(b)
- Q(b);N_GUARD::QAR(B),XR(h)
- Q(b);XP(C)::S(E),XQ(b)
- R(a);N_GUARD::QAR1(B)
- R(a);N_GUARD,P_PINR(H)::QAR1(B)
- R(a);S_CUTQ(b)::QAR(B),XR(h)
- R(a);S_CUTB(c)::QAB1(B),XP(f)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(h);N_GUARD::R(H)
- R(h);N_GUARD,P_PINR(H)::R(H),XR(h)
- R(h);SBLOCK::R1(I)
- R(h);N_GUARD,XP(G)::R(H)
- B(c);S_CUTQ(b)::P(C)
- B(c);N_GUARD::QAB1(B),XP(f)
- B(c);S_CUTR(a)::QAR1(B)
- B(j);OGATE,XP(F)::QAR1(B),XB(j)
- B(j);N_GUARD::S(E),XB(j)
- B(j);N_GUARD::S(E)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD,XR(H)::S(A)
- S(g);N_GUARD::S(A)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- B(j);CHECK,OGATE,XP(F)::QAR1(B),XB(j)
- Q(b);XQ(B)::S(A),XQ(b)
- Q(b);XP(C)::S(E),XQ(b)
- R(h);N_GUARD,XP(G)::R(H)
- S(g);N_GUARD,XR(H)::S(A)
- Q(b);N_GUARD::P(C)
- Q(b);N_GUARD::QAR(B),XR(h)
- R(a);N_GUARD::QAR1(B)
- R(a);S_CUTQ(b)::QAR(B),XR(h)
- R(a);S_CUTB(c)::QAB1(B),XP(f)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(h);N_GUARD::R(H)
- R(h);N_GUARD::R(H),XR(h)
- B(c);S_CUTQ(b)::P(C)
- B(c);N_GUARD::QAB1(B),XP(f)
- B(c);S_CUTR(a)::QAR1(B)
- B(j);N_GUARD::S(E),XB(j)
- B(j);N_GUARD::S(E)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- R(h);P_PINR(I)
- Try
- R(H);
- Vars
- R(h);CHECK,N_GUARD::R(H),XR(h)
- Q(b);XQ(B)::S(A),XQ(b)
- Q(b);XP(C)::S(E),XQ(b)
- R(h);N_GUARD,XP(G)::R(H)
- B(j);OGATE,XP(F)::QAR1(B),XB(j)
- Q(b);N_GUARD::P(C)
- Q(b);N_GUARD::QAR(B),XR(h)
- R(a);N_GUARD::QAR1(B)
- R(a);S_CUTQ(b)::QAR(B),XR(h)
- R(a);S_CUTB(c)::QAB1(B),XP(f)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(h);N_GUARD::R(H)
- R(h);SBLOCK::R1(I)
- B(c);S_CUTQ(b)::P(C)
- B(c);N_GUARD::QAB1(B),XP(f)
- B(c);S_CUTR(a)::QAR1(B)
- B(j);N_GUARD::S(E),XB(j)
- B(j);N_GUARD::S(E)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- R(a);CHECK,XR(H)
- Try
- R(H);
- Vars
- R(h);CHECK,N_GUARD::R(H),XR(h)
- Q(b);XQ(B)::S(A),XQ(b)
- Q(b);XP(C)::S(E),XQ(b)
- R(h);N_GUARD,XP(G)::R(H)
- B(j);OGATE,XP(F)::QAR1(B),XB(j)
- Q(b);N_GUARD::P(C)
- Q(b);N_GUARD::QAR(B),XR(h)
- R(a);N_GUARD::QAR1(B)
- R(a);N_GUARD,P_PINR(H)::QAR1(B)
- R(a);S_CUTQ(b)::QAR(B),XR(h)
- R(a);S_CUTB(c)::QAB1(B),XP(f)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(h);N_GUARD::R(H)
- R(h);SBLOCK::R1(I)
- B(c);S_CUTQ(b)::P(C)
- B(c);N_GUARD::QAB1(B),XP(f)
- B(c);S_CUTR(a)::QAR1(B)
- B(j);N_GUARD::S(E),XB(j)
- B(j);N_GUARD::S(E)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- P(e);XR(H)
- Try
- R(I);CHECK
- Vars
- R(h);SBLOCK,XR(I)::R1(H)
- Refutation
- K(i);P-FLIGHT,P_SPINP(f),XR(I)
- Try
- Q(B);CHECK
- Vars
- R(a);XQ(B)::S(A)
- B(c);P_SPINB(c)::S(A)
- Refutation
- Q(b);XQ(B)
- Try
- P(G);
- Vars
- Q(b);XQ(B)::S(A),XQ(b)
- Q(b);XP(C)::S(E),XQ(b)
- B(j);OGATE,XP(F)::QAR1(B),XB(j)
- S(g);N_GUARD,XR(H)::S(A)
- S(g);N_GUARD,XP(G)::S(A)
- Q(b);N_GUARD::P(C)
- Q(b);N_GUARD::QAR(B),XR(h)
- R(a);N_GUARD::QAR1(B)
- R(a);N_GUARD,P_PINR(H)::QAR1(B)
- R(a);S_CUTQ(b)::QAR(B),XR(h)
- R(a);S_CUTB(c)::QAB1(B),XP(f)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(h);N_GUARD::R(H)
- R(h);N_GUARD,P_PINR(H)::R(H),XR(h)
- R(h);SBLOCK::R1(I)
- B(c);S_CUTQ(b)::P(C)
- B(c);N_GUARD::QAB1(B),XP(f)
- B(c);S_CUTR(a)::QAR1(B)
- B(j);N_GUARD::S(E),XB(j)
- B(j);N_GUARD::S(E)
- S(g);N_GUARD::S(A),XS(g)
- Refutation
- R(h);CHECK,XP(G)
- Try
- Actual
- R(H);
- Vars
- R(h);CHECK,N_GUARD::R(H),XR(h)
- Q(b);XQ(B)::S(A),XQ(b)
- Q(b);XP(C)::S(E),XQ(b)
- R(h);N_GUARD,XP(G)::R(H)
- B(j);OGATE,XP(F)::QAR1(B),XB(j)
- P(f);XR(H)::R1(I)
- Q(b);N_GUARD::P(C)
- Q(b);N_GUARD::QAR(B),XR(h)
- R(a);N_GUARD::QAR1(B)
- R(a);N_GUARD,P_PINR(H)::QAR1(B)
- R(a);S_CUTQ(b)::QAR(B),XR(h)
- R(a);S_CUTB(c)::QAB1(B),XP(f)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(h);N_GUARD::R(H)
- R(h);SBLOCK::R1(I)
- B(c);S_CUTQ(b)::P(C)
- B(c);N_GUARD::QAB1(B),XP(f)
- B(c);S_CUTR(a)::QAR1(B)
- B(j);N_GUARD::S(E),XB(j)
- B(j);N_GUARD::S(E)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
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).