MESON Chess Problem Database
Problem Display
PID: 151475 (8/7n/N7/1b1P1p2/r3kB2/n4NK1/Q4p2/b1rR1B2 w - - 0 1)
Henriksen, Thorleif Cammillo
Good Companions (November), 1914
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sc5#
- 1...Rxd1
- 2.Sc5#
- 1...Rcc4
- 2.Qe2#
- 1...Rc5
- 2.Sxc5#
- 1...Rac4
- 2.Qe2#
- 1...Bc3
- 2.Sc5#
- 1...Bd4
- 2.Sd2#
- 1...Be2
- 2.Qxe2#
- 1...Bd3
- 2.Bxd3#
- 1...Bc4
- 2.Sc5#
- 1...Bc6
- 2.Bd3#
- 2.Qe2#
- 1...Bd7
- 2.Bd3#
- 2.Qe2#
- 1...Be8
- 2.Bd3#
- 2.Qe2#
- 1...Sc2
- 2.Sc5#
- 1...Sc4
- 2.Sc5#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Rb1
- Tries
- 1.Bc4?
- threat
- 2.Sc5#
- 2.Qe2#
- 1...Rcxc4
- 2.Qe2#
- 1...Raxc4
- 2.Qe2#
- 1...Rxa6
- 2.Qe2#
- 1...Bxc4
- 2.Sc5#
- 1...Bxa6
- 2.Qe2#
- 1...Sxc4
- 2.Sc5#
- 1...f1Q
- 2.Sc5#
- 1...f1B
- 2.Sc5#
- 1...Rc2
- 2.Sc5#
- 1...Rc3
- 2.Sc5#
- 2.Rd4#
- 1...Bb2
- 2.Sc5#
- 1...Bd4
- 2.Sd2#
- 2.Rxd4#
- 1...Sc2
- 2.Sc5#
- 1...f1S+!
- threat
- 1.Rd3?
- threat
- 2.Sd2#
- 2.Re3#
- 2.Qe2#
- 1...Rxf1
- 2.Sc5#
- 2.Re3#
- 2.Qe2#
- 1...Rd1
- 2.Sc5#
- 2.Re3#
- 2.Qe2#
- 1...Re1
- 2.Sd2#
- 2.Sc5#
- 1...Rc2
- 2.Re3#
- 1...Rc3
- 2.Sd2#
- 2.Qe2#
- 1...Rcc4
- 2.Sd2#
- 2.Qe2#
- 1...Rac4
- 2.Sd2#
- 2.Qe2#
- 1...Rd4
- 2.Sd2#
- 2.Re3#
- 1...Bb2
- 2.Sd2#
- 2.Re3#
- 1...Bc3
- 2.Sc5#
- 2.Re3#
- 2.Qe2#
- 1...Bd4
- 2.Sd2#
- 1...Bc4
- 2.Sd2#
- 2.Sc5#
- 2.Qe2#
- 1...Sb1
- 2.Re3#
- 2.Qe2#
- 1...Sc2
- 2.Sd2#
- 2.Sc5#
- 1...Sc4
- 2.Sc5#
- 1...Bxd3!
- threat
- 1.Rd4+?
- 1...Bxd4
- 2.Sd2#
- 1...Rxd4!
- 1...Bxd4
- 1.Qb1+?
- 1...Rxb1
- 2.Sc5#
- 1...Rc2
- 2.Sc5#
- 1...Bd3
- 2.Qxd3#
- 1...Sc2
- 2.Sc5#
- 1...Sxb1!
- 1...Rxb1
- 1.Qxa1?
- threat
- 2.Qe5#
- 1...Rxa1
- 2.Sc5#
- 1...Rd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc4
- 2.Sc5#
- 2.Rd4#
- 2.Qd4#
- 1...Rc3!
- threat
- 1.Qc2+?
- 1...Bd3
- 2.Qxd3#
- 1...Sxc2
- 2.Sc5#
- 1...Rxc2!
- 1...Bd3
- 1.Bc4?
- Keys
- 1.d6!
- threat
- 2.Qd5#
- 1...Rxd1
- 2.Sc5#
- 1...Rcc4
- 2.Qe2#
- 1...Rc5
- 2.Sxc5#
- 1...Rac4
- 2.Qe2#
- 1...Rd4
- 2.Qe6#
- 1...Bd4
- 2.Sd2#
- 1...Bd3
- 2.Bxd3#
- 1...Bc4
- 2.Sc5#
- 1...Bc6
- 2.Bd3#
- 2.Qe2#
- 1...Sc4
- 2.Sc5#
- 1...Sf6
- 2.Sg5#
- threat
- 1.d6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::S(H)
- R(b);N_GUARD,XR(A)::S(H)
- R(b);S_CUTB(g)::QAR2(C)
- R(b);N_GUARD::S(H),XR(b)
- R(e);S_CUTB(g)::QAR2(C)
- B(a);S_CUTR(b)::S(H)
- B(a);SBLOCK::S(D)
- B(g);N_GUARD::QAR2(C),XB(g)
- B(g);N_GUARD::B(B),XB(g)
- B(g);S_CUTR(b)::S(H)
- S(d);S_CUTR(b)::S(H)
- S(i);N_GUARD::S(D),XS(i)
- S(i);N_GUARD::S(D)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(b);XB(B)::QAR2(C)
- R(e);XB(B)::QAR2(C)
- R(e);XS(H)::QAR2(C)
- B(g);XB(B)::S(H)
- B(g);XS(H)::QAR2(C)
- S(d);XB(B)::S(H)
- P(c);::S(H)
- R(b);::S(H)
- B(a);::S(H)
- S(d);::S(H)
- Refutation
- P(c);CHECK
- Try
- R(A);
- Threat
- DUALS(3)
- Vars
- R(b);::R1(A)
- B(a);::S(D)
- S(d);S_CUTR(b)::S(H)
- Refutation
- B(g);XR(A)
- Try
- R(A);CHECK
- Vars
- B(a);SBLOCK,XR(A)::S(D)
- Refutation
- R(e);XR(A)
- Try
- Q(C);CHECK
- Vars
- R(b);XQ(C)::S(H)
- R(b);P_SPINR(b)::S(H)
- B(g);N_GUARD,P_SPINB(g)::QAB1(C),XB(g)
- S(d);P_SPINS(d)::S(H)
- Refutation
- S(d);XQ(C)
- Try
- Q(C);XB(a)
- Threat
- QAR1(C)
- Vars
- R(b);N_GUARD,XQ(C)::S(H)
- Refutation
- R(b);P_PINS(D)
- Try
- Q(C);CHECK
- Vars
- B(g);N_GUARD,P_SPINB(g)::QAB1(C),XB(g)
- S(d);XQ(C)::S(H)
- Refutation
- R(b);XQ(C)
- Try
- Actual
- P(G);
- Threat
- QAB1(C)
- Vars
- R(b);N_GUARD,XR(A)::S(H)
- R(b);S_CUTB(g)::QAR2(C)
- R(b);N_GUARD::S(H),XR(b)
- R(e);S_CUTB(g)::QAR2(C)
- R(e);S_CUTB(a)::QAR2(C)
- B(a);SBLOCK::S(D)
- B(g);N_GUARD::B(B),XB(g)
- B(g);S_CUTR(b)::S(H)
- S(d);S_CUTR(b)::S(H)
- S(i);N_GUARD::S(D)
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).