MESON Chess Problem Database
Problem Display
PID: 183310 (4n3/8/4p3/1R3N2/4k1pP/1p2p1rp/nK1R2rb/1N1b1Q1B w - - 0 1)
Tucker, Frederick G
The Problemist, 1943
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Rf3
- 2.Qc4#
- 1...Bc2
- 2.Rd4#
- 1...Be2
- 2.Rd4#
- 1...Bf3
- 2.Qc4#
- 1...Bg1
- 2.Sxg3#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...exd2
- 2.Sxd2#
- 1...e2
- 2.Rd4#
- 1...exf5
- 2.Qxf5#
- 1...Rf3
- Tries
- 1.Ka3?
- threat
- 2.Rd4#
- 1...exd2
- 2.Sxd2#
- 1...exf5
- 2.Qxf5#
- 1...e5!
- threat
- 1.Bxg2+?
- 1...Rf3
- 2.Rd4#
- 2.Qc4#
- 1...Bf3
- 2.Rd4#
- 2.Qc4#
- 1...hxg2
- 2.Rd4#
- 1...Rxg2!
- 1...Rf3
- 1.Ra5?
- 1...exd2
- 2.Sxd2#
- 1...exf5
- 2.Qxf5#
- 1...Rf3
- 2.Qc4#
- 1...Bf3
- 2.Qc4#
- 1...Bc2
- 2.Rd4#
- 1...Be2
- 2.Rd4#
- 1...Bg1
- 2.Sxg3#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...e2
- 2.Rd4#
- 1...e5!
- 1...exd2
- 1.Qd3+?
- 1...Kf3
- 2.Qxe3#
- 1...Kf4!
- 1...Kf3
- 1.h5?
- 1...exd2
- 2.Sxd2#
- 1...exf5
- 2.Qxf5#
- 1...Rf3
- 2.Qc4#
- 1...Bf3
- 2.Qc4#
- 1...Bc2
- 2.Rd4#
- 1...Be2
- 2.Rd4#
- 1...Bg1
- 2.Sxg3#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...e2
- 2.Rd4#
- 1...e5!
- 1...exd2
- 1.Ka3?
- Keys
- 1.Rc5!
- 1...exd2
- 2.Sxd2#
- 1...exf5
- 2.Qxf5#
- 1...Rf3
- 2.Qc4#
- 1...Bf3
- 2.Qc4#
- 1...e5
- 2.Rc4#
- 1...Bc2
- 2.Rd4#
- 1...Be2
- 2.Rd4#
- 1...Bg1
- 2.Sxg3#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...e2
- 2.Rd4#
- 1...exd2
- 1.Rc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(g);N_SPINR(c),SBLOCK::QAR2(B)
- B(a);N_PINR(E)::R1(E)
- B(a);N_SPINR(c),SBLOCK::QAR2(B)
- B(d);N_GUARD::S(H),XR(g)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(l);N_GUARD::S(H),XS(l)
- S(l);N_GUARD::S(H)
- P(f);XR(E)::S(A),XP(f)
- P(f);N_PINR(E)::R1(E)
- P(k);OGATE,XS(H)::QAB1(B),XP(k)
- Tries
- Try
- K(D);N_SPINR(E),S_FLIGHT
- Threat
- R1(E)
- Vars
- P(f);XR(E)::S(A),XP(f)
- P(k);OGATE,XS(H)::QAB1(B),XP(k)
- Refutation
- P(k);
- Try
- B(C);CHECK,N_SPINR(E),XR(c)
- Vars
- P(h);XB(C)::R1(E)
- Refutation
- R(g);P_PINR(E),XB(C)
- Try
- R(G);
- Vars
- P(f);XR(E)::S(A),XP(f)
- P(k);OGATE,XS(H)::QAB1(B),XP(k)
- R(g);N_SPINR(c),SBLOCK::QAR2(B)
- B(a);N_SPINR(c),SBLOCK::QAR2(B)
- B(a);N_PINR(E)::R1(E)
- B(d);N_GUARD::S(H),XR(g)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(l);N_GUARD::S(H),XS(l)
- S(l);N_GUARD::S(H)
- P(f);N_PINR(E)::R1(E)
- Refutation
- P(k);
- Try
- Q(B);CHECK
- Vars
- K(i);P_SPINP(f),S_FLIGHT::QAR1(B),XP(f)
- Refutation
- K(i);N_SPINR(c),P-FLIGHT
- Try
- P(F);
- Vars
- P(f);XR(E)::S(A),XP(f)
- P(k);OGATE,XS(H)::QAB1(B),XP(k)
- R(g);N_SPINR(c),SBLOCK::QAR2(B)
- B(a);N_SPINR(c),SBLOCK::QAR2(B)
- B(a);N_PINR(E)::R1(E)
- B(d);N_GUARD::S(H),XR(g)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(l);N_GUARD::S(H),XS(l)
- S(l);N_GUARD::S(H)
- P(f);N_PINR(E)::R1(E)
- Refutation
- P(k);
- Try
- Actual
- R(G);
- Vars
- P(f);XR(E)::S(A),XP(f)
- P(k);OGATE,XS(H)::QAB1(B),XP(k)
- R(g);N_SPINR(c),SBLOCK::QAR2(B)
- B(a);N_SPINR(c),SBLOCK::QAR2(B)
- P(k);SBLOCK::R(G)
- B(a);N_PINR(E)::R1(E)
- B(d);N_GUARD::S(H),XR(g)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(l);N_GUARD::S(H),XS(l)
- S(l);N_GUARD::S(H)
- P(f);N_PINR(E)::R1(E)
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).