MESON Chess Problem Database
Problem Display
PID: 77306 (8/b3r2p/Q6B/p3p2n/2r1k1B1/5N1R/qp6/1b1R1N1K w - - 0 1)
Pedersen, Eigil Palle
Skakbladet, 1943
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Rc2
- 2.Qd3#
- 1...Rc5
- 2.Qe2#
- 1...Bc5
- 2.Qc6#
- 1...Sg3+
- 2.Sxg3#
- 1...Sf4
- 2.Sg5#
- 1...Sf6
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- 1...Rc2
- Tries
- 1.S3d2+?
- 1...Kd4
- 2.Qd6#
- 1...Kd5!
- 1...Kd4
- 1.Rd6?
- threat
- 2.S1d2#
- 2.S3d2#
- 1...Sg3+
- 2.Sxg3#
- 1...Bd4
- 2.S3d2#
- 1...Rc1
- 2.Sd2#
- 1...Rc2
- 2.Qd3#
- 1...Rd4
- 2.Qe2#
- 1...Sf4
- 2.S3d2#
- 2.Sg5#
- 1...Be3!
- threat
- 1.Qxc4+?
- 1...Bd4
- 2.S1d2#
- 2.S3d2#
- 2.Re1#
- 1...Qxc4!
- 1...Bd4
- 1.Qd6?
- threat
- 2.S1d2#
- 2.S3d2#
- 2.Qd5#
- 1...Sg3+
- 2.Sxg3#
- 1...Be3
- 2.Qd5#
- 1...Rc1
- 2.S1d2#
- 2.S3d2#
- 1...Rc2
- 2.Qd3#
- 1...Rc3
- 2.S1d2#
- 2.S3d2#
- 1...Ra4
- 2.S1d2#
- 2.S3d2#
- 1...Rb4
- 2.S1d2#
- 2.S3d2#
- 1...Rc5
- 2.S1d2#
- 2.S3d2#
- 2.Re1#
- 1...Rc6
- 2.S1d2#
- 2.S3d2#
- 1...Rcc7
- 2.S1d2#
- 2.S3d2#
- 1...Rc8
- 2.S1d2#
- 2.S3d2#
- 1...Rd7
- 2.S1d2#
- 2.S3d2#
- 2.Qxe5#
- 1...Bd3
- 2.S1d2#
- 2.S3d2#
- 2.Qxd3#
- 1...Bd4
- 2.S3d2#
- 1...Sf4
- 2.S3d2#
- 2.Sg5#
- 1...Sf6
- 2.S1d2#
- 2.Sg3#
- 2.S3d2#
- 1...Rd4!
- threat
- 1.Qe6?
- threat
- 2.Bf5#
- 2.Qd5#
- 2.Qf5#
- 1...Sg3+
- 2.Sxg3#
- 1...Rc1
- 2.Bf5#
- 2.Qf5#
- 1...Rc2
- 2.Bf5#
- 2.Qf5#
- 1...Rc3
- 2.Bf5#
- 2.Qf5#
- 1...Ra4
- 2.Bf5#
- 2.Qf5#
- 1...Rb4
- 2.Bf5#
- 2.Qf5#
- 1...Rd4
- 2.Bf5#
- 1...Rc5
- 2.Bf5#
- 2.Rd4#
- 2.Qf5#
- 1...Rc6
- 2.Bf5#
- 2.Qf5#
- 1...Rcc7
- 2.Bf5#
- 2.Qf5#
- 1...Rc8
- 2.Bf5#
- 2.Qf5#
- 1...Rd7
- 2.Bf5#
- 2.Qf5#
- 2.Qxe5#
- 1...Rf7
- 2.Qd5#
- 2.Qxe5#
- 1...Bd3
- 2.S1d2#
- 2.Bf5#
- 1...Bd4
- 2.S3d2#
- 2.Bf5#
- 1...Sf4
- 2.Sg5#
- 2.Bf5#
- 2.Qf5#
- 1...Sf6
- 2.Sg3#
- 2.Bf5#
- 2.Qf5#
- 1...Sg7
- 2.Sg3#
- 2.Qd5#
- 1...Rxe6!
- threat
- 1.S3d2+?
- Keys
- 1.Qb5!
- threat
- 2.Qd5#
- 1...Sg3+
- 2.Sxg3#
- 1...Rc1
- 2.S1d2#
- 1...Rc2
- 2.Qd3#
- 1...Rc3
- 2.S1d2#
- 1...Ra4
- 2.S1d2#
- 1...Rb4
- 2.S1d2#
- 1...Rd4
- 2.Re1#
- 1...Rc5
- 2.Qe2#
- 1...Rc6
- 2.S1d2#
- 1...Rcc7
- 2.S1d2#
- 1...Rc8
- 2.S1d2#
- 1...Rd7
- 2.Qxe5#
- 1...Bd3
- 2.S1d2#
- 1...Bd4
- 2.S3d2#
- 1...Bc5
- 2.Qc6#
- 1...Sf4
- 2.Sg5#
- 1...Sf6
- 2.Sg3#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 1
- Sets
- R(d);OGATE::QAB1(G)
- R(d);OGATE::QAR2(G)
- B(i);S_CUTR(d)::QAB(G)
- S(h);CHECK,N_GUARD::S(B),XS(h)
- S(h);SBLOCK::S(D)
- S(h);N_GUARD::S(B)
- Tries
- Try
- S(D);CHECK
- Vars
- K(e);P-FLIGHT::QAR2(G)
- Refutation
- K(e);S_FLIGHT
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::S(B),XS(h)
- B(i);::S(D)
- R(d);P_PINS(B)::S(D)
- R(d);OGATE::QAB1(G)
- R(d);OGATE::QAR2(G)
- Refutation
- B(i);
- Try
- Q(G);CHECK,XR(d)
- Refutation
- Q(b);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(h);CHECK,N_GUARD::S(B),XS(h)
- B(i);::QAB1(G)
- R(d);S_CUTB(a)::QAB1(G)
- B(i);::S(D)
- Refutation
- R(d);
- Try
- Q(G);P_PINP(g)
- Threat
- DUALS(3)
- Vars
- S(h);CHECK,N_GUARD::S(B),XS(h)
- R(d);::B(F)
- Refutation
- R(j);N_SPINP(g),XQ(G)
- Try
- Actual
- Q(G);
- Threat
- QAB1(G)
- Vars
- S(h);CHECK,N_GUARD::S(B),XS(h)
- R(d);::S(B)
- R(d);OGATE::QAB1(G)
- R(d);S_CUTB(i)::R(A)
- R(d);OGATE::QAR2(G)
- R(j);N_GUARD::QAR1(G),XP(g)
- B(a);SBLOCK::S(B)
- B(i);SBLOCK::S(D)
- B(i);S_CUTR(d)::QAB(G)
- S(h);SBLOCK::S(D)
- S(h);N_GUARD::S(B)
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).