MESON Chess Problem Database
Problem Display
PID: 52096 (4R2K/2n3P1/B2RN2p/1Q1q1Np1/n3k3/6P1/4rrP1/8 w - - 0 1)
Carpenter, George Edward
Carpenter's Chess Problems, 1876
#2
10 + 8
| 14907 | Good Companion Chess Problem Club | 1916 |
| 5065 | Chess Problem Gems by Eight Eminent American Composers | 1972 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sxg5#
- 2.Rd4#
- 1...Qb3
- 2.Sxg5#
- 2.Rd4#
- 1...Qc4
- 2.Sxg5#
- 1...Qc6
- 2.Sxg5#
- 2.Rd4#
- 1...Qxe6
- 2.Rd4#
- 1...Qb7
- 2.Sxg5#
- 2.Sxc7#
- 2.Rd4#
- 1...Qa8
- 2.Sxg5#
- 2.Rd4#
- 1...Qd1
- 2.Sxg5#
- 2.Sxc7#
- 1...Qd2
- 2.Sxg5#
- 2.Sxc7#
- 1...Qd3
- 2.Sxg5#
- 2.Sxc7#
- 1...Qd4
- 2.Sxg5#
- 2.Rxd4#
- 1...Qe5
- 2.Qd3#
- 1...Qxf5
- 2.Sc5#
- 2.Sxg5#
- 1...Qxd6
- 2.Sxg5#
- 1...Rxf5
- 2.Qxe2#
- 1...Sxa6
- 2.Qxd5#
- 1...Sxe6
- 2.Qxd5#
- 1...Sa8
- 2.Qxd5#
- 1...Sxe8
- 2.Qxd5#
- 1...Qa2
- Tries
- 1.Sed4+?
- 1...Qe5
- 2.Rxe5#
- 2.Qd3#
- 2.Qxe5#
- 1...Se6
- 2.Qxd5#
- 1...Sxe8
- 2.Qxd5#
- 1...Qe6!
- 1...Qe5
- 1.Sf4+?
- 1...Qe6
- 2.Rd4#
- 1...Qe5
- 2.Rxe5#
- 2.Qd3#
- 2.Qxe5#
- 1...Se6
- 2.Qxd5#
- 1...Sxe8
- 2.Qxd5#
- 1...Kxf5!
- 1...Qe6
- 1.Sxc7+?
- 1...Qe6
- 2.Bb7#
- 2.Rd4#
- 2.Rdxe6#
- 2.Rexe6#
- 2.Qd5#
- 1...Qe5
- 2.Rxe5#
- 2.Qd3#
- 2.Qxe5#
- 1...Kxf5!
- 1...Qe6
- 1.Sd8+?
- 1...Qe6
- 2.Rd4#
- 1...Qe5
- 2.Rxe5#
- 2.Qd3#
- 2.Qxe5#
- 1...Se6
- 2.Qxd5#
- 1...Sxe8
- 2.Qxd5#
- 1...Kxf5!
- 1...Qe6
- 1.Sf8+?
- 1...Qe6
- 2.Rd4#
- 1...Qe5
- 2.Rxe5#
- 2.Qd3#
- 2.Qxe5#
- 1...Se6
- 2.Qxd5#
- 1...Sxe8
- 2.Qxd5#
- 1...Kxf5!
- 1...Qe6
- 1.Rxd5?
- threat
- 2.Sxg5#
- 2.Sxc7#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...Rxg2
- 2.Sxg5#
- 2.Qd3#
- 1...Rxf5
- 2.Sxg5#
- 2.Qd3#
- 1...Sxb5
- 2.Sf4#
- 2.Sc7#
- 1...Sxa6
- 2.Sed4#
- 2.Sf4#
- 2.Sxg5#
- 2.Sc7#
- 2.Sd8#
- 2.Sf8#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...Sxe6
- 2.Rd4#
- 2.Re5#
- 2.Rxe6#
- 2.Qd3#
- 2.Qc4#
- 1...Sxe8
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...Sc5
- 2.Qc4#
- 1...Rc2
- 2.Sxg5#
- 2.Sxc7#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 1...Rd2
- 2.Sxg5#
- 2.Sxc7#
- 2.Re5#
- 1...Re3
- 2.Sd6#
- 2.Sxg5#
- 2.Sxc7#
- 2.Rd4#
- 2.Re5#
- 2.Qc4#
- 1...Rf3
- 2.Sxg5#
- 2.Sxc7#
- 2.Rd4#
- 2.Re5#
- 2.Qc4#
- 1...Sb2
- 2.Sxg5#
- 2.Sxc7#
- 2.Rd4#
- 2.Re5#
- 1...Sb6
- 2.Sxg5#
- 2.Sxc7#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 1...Sa8
- 2.Sed4#
- 2.Sf4#
- 2.Sxg5#
- 2.Sc7#
- 2.Sd8#
- 2.Sf8#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...g4
- 2.Sg5#
- 2.Sxc7#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...Sxd5!
- threat
- 1.Sed4+?
- Keys
- 1.Bc8!
- threat
- 2.Sc5#
- 2.Sxg5#
- 1...Ke5
- 2.Sxc7#
- 1...Kxf5
- 2.Sd4#
- 1...Qxe6
- 2.Rd4#
- 1...Qxd6
- 2.Sxg5#
- 1...Rxg2
- 2.Sxg5#
- 1...Rxf5
- 2.Qxe2#
- 1...Sxb5
- 2.Sc5#
- 1...Sxe6
- 2.Qxd5#
- 1...Sxe8
- 2.Qxd5#
- 1...Qc5
- 2.Sxc5#
- 2.Sxg5#
- 1...Qe5
- 2.Qd3#
- 1...Sc5
- 2.Sxc5#
- 2.Sxg5#
- 1...g4
- 2.Sc5#
- 2.Sg5#
- threat
- 1.Bc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- Q(e);::R(I)+S(G),DCHECK,XP(f)
- Q(e);OGATE,P_SPINQ(e),XS(G)::R1(F)
- Q(e);N_GUARD,P_PINP(H),SBLOCK::QAB1(C)
- Q(e);XR(F)::R(I)+S(G),DCHECK,XP(f)
- R(b);N_GUARD,SBLOCK,XS(D)::QAR2(C),XR(a)
- S(h);N_GUARD,XB(E)::QAB1(C),XQ(e)
- S(h);N_GUARD,P_SPINS(h),XS(G)::QAB1(C),XQ(e)
- S(h);N_GUARD::QAB1(C),XQ(e)
- S(h);N_GUARD,XR(I)::QAB1(C),XQ(e)
- Tries
- Try
- S(G);CHECK
- Vars
- S(h);P_SPINS(h)::QAB1(C),XQ(e)
- S(h);XR(I)::QAB1(C),XQ(e)
- Refutation
- Q(e);P_SPINQ(e)
- Try
- S(G);CHECK
- Vars
- Q(e);OGATE,P_SPINQ(e)::R1(F)
- S(h);P_SPINS(h)::QAB1(C),XQ(e)
- S(h);XR(I)::QAB1(C),XQ(e)
- Refutation
- K(d);P_SPINQ(e),S_FLIGHT,XS(D)
- Try
- S(G);CHECK,XS(h)
- Refutation
- K(d);P_SPINQ(e),S_FLIGHT,XS(D)
- Try
- S(G);CHECK
- Vars
- Q(e);OGATE,P_SPINQ(e)::R1(F)
- S(h);P_SPINS(h)::QAB1(C),XQ(e)
- S(h);XR(I)::QAB1(C),XQ(e)
- Refutation
- K(d);P_SPINQ(e),S_FLIGHT,XS(D)
- Try
- S(G);CHECK
- Vars
- Q(e);OGATE,P_SPINQ(e)::R1(F)
- S(h);P_SPINS(h)::QAB1(C),XQ(e)
- S(h);XR(I)::QAB1(C),XQ(e)
- Refutation
- K(d);P_SPINQ(e),S_FLIGHT,XS(D)
- Try
- R(F);XQ(e)
- Threat
- DUALS(6)
- Vars
- S(c);::QAR2(C)
- Refutation
- S(h);XR(F)
- Try
- Actual
- B(E);
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT,P_SPINQ(e)::R(I)+S(G),XS(h)
- K(d);P_SPINQ(e),S_FLIGHT,XS(D)::B(E)+S(G),DCHECK
- Q(e);OGATE,P_SPINQ(e),XS(G)::R1(F)
- Q(e);XR(F)::R(I)+S(G),DCHECK,XP(f)
- R(b);XP(A)::R(I)+S(G),DCHECK,XP(f)
- R(b);N_GUARD,SBLOCK,XS(D)::QAR2(C),XR(a)
- S(h);XQ(C)::R(I)+S(G),DCHECK
- S(h);N_GUARD,P_SPINS(h),XS(G)::QAB1(C),XQ(e)
- S(h);N_GUARD,XR(I)::QAB1(C),XQ(e)
- Q(e);N_GUARD,P_PINP(H),SBLOCK::QAB1(C)
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).