MESON Chess Problem Database
Problem Display
PID: 109356 (n2Rr1b1/4P3/4Qp2/3N1q2/1P1k3n/pK1Pp3/1bPR3B/2N1r3 w - - 0 1)
Senkus, Raimondas
Slovensky Dennik, 1992
#2
11 + 11
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxd3+
- 2.Rxd3#
- 1...Qh3
- 2.Qe4#
- 2.Qxf6#
- 1...Qe4
- 2.Qxe4#
- 1...Qg4
- 2.Qxg4#
- 2.Qxf6#
- 1...Qh7
- 2.Qxf6#
- 1...Qf1
- 2.Qe4#
- 1...Qf2
- 2.Qe4#
- 1...Qxd5+
- 2.Rxd5#
- 1...Qg5
- 2.Qe4#
- 1...Qh5
- 2.Qe4#
- 1...Rxc1
- 2.Qxe3#
- 1...Rd1
- 2.Se2#
- 2.Qxe3#
- 1...Rf1
- 2.Se2#
- 2.Qxe3#
- 1...Rg1
- 2.Se2#
- 2.Qxe3#
- 1...Rh1
- 2.Se2#
- 2.Qxe3#
- 1...Re2
- 2.Sxe2#
- 1...Bxc1
- 2.c3#
- 1...Sb6
- 2.Qxb6#
- 1...Sc7
- 2.Qb6#
- 1...e2
- 2.Qe3#
- 1...Qxd3+
- Tries
- 1.Ka2?
- threat
- 2.Sb3#
- 1...Qxd3
- 2.Qg4#
- 1...Rxc1
- 2.Qxe3#
- 1...Bxc1
- 2.c3#
- 1...Qxd5+!
- threat
- 1.Sc3+?
- 1...Qd5+
- 2.Rxd5#
- 1...Rxd8!
- 1...Qd5+
- 1.Sxe3+?
- 1...Qd5+
- 2.Rxd5#
- 1...Rxd8!
- 1...Qd5+
- 1.Sf4+?
- 1...Qd5+
- 2.Rxd5#
- 1...Rxd8!
- 1...Qd5+
- 1.Sb6+?
- 1...Qd5+
- 2.Rxd5#
- 1...Rxd8!
- 1...Qd5+
- 1.Sxf6+?
- 1...Qd5+
- 2.Rxd5#
- 1...Rxd8!
- 1...Qd5+
- 1.Sc7+?
- 1...Qd5+
- 2.Rxd5#
- 1...Rxd8!
- 1...Qd5+
- 1.Qa6?
- threat
- 2.Qc4#
- 1...Qxd3+
- 2.Qxd3#
- 1...Qc8
- 2.Qxf6#
- 1...Sb6
- 2.Qxb6#
- 1...Qf4!
- threat
- 1.Qxf6+?
- 1...Qe5
- 2.Bxe5#
- 2.Qxe5#
- 1...Qxf6!
- 1...Qe5
- 1.Ka2?
- Keys
- 1.Ka4!
- threat
- 2.Sb3#
- 1...Sb6+
- 2.Qxb6#
- 1...Qxd3
- 2.Qg4#
- 1...Qxd5
- 2.Qxf6#
- 1...Rxc1
- 2.Qxe3#
- 1...Bxc1
- 2.c3#
- threat
- 1.Ka4!
Anticipated by 46826(1960)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(g);CHECK,OGATE,P_SPINQ(g),XP(F)::R1(C),XQ(g)
- Q(g);N_GUARD::QAR1(I),XQ(g)
- Q(g);N_GUARD::QAB(I),XP(h)
- Q(g);N_GUARD::QAR1(I)
- Q(g);CHECK,OGATE,P_SPINQ(g),XS(H)::R1(K),XQ(g)
- R(a);N_GUARD,XS(A)::QAB1(I),XP(d)
- R(a);N_GUARD::S(A),XR(a)
- B(b);N_GUARD,XS(A)::P(B)
- S(i);N_GUARD::QAB(I),XS(i)
- S(i);N_GUARD::QAB(I)
- P(d);S_CUTR(a)::QAB1(I)
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- S(A)
- Vars
- Q(g);OGATE,P_SPINQ(g),XP(F)::QAR(I)
- R(a);N_GUARD,XS(A)::QAB1(I),XP(d)
- B(b);N_GUARD,XS(A)::P(B)
- Refutation
- Q(g);CHECK,P_SPINQ(g),XS(H)
- Try
- S(H);CHECK,P_SPINQ(I)
- Vars
- Q(g);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(g)::R1(K),XQ(g)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I),XP(d)
- Vars
- Q(g);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(g)::R1(K),XQ(g)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I)
- Vars
- Q(g);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(g)::R1(K),XQ(g)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I)
- Vars
- Q(g);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(g)::R1(K),XQ(g)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I),XP(h)
- Vars
- Q(g);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(g)::R1(K),XQ(g)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I)
- Vars
- Q(g);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(g)::R1(K),XQ(g)
- Refutation
- R(j);XR(K)
- Try
- Q(I);P_SPINS(H)
- Threat
- QAR1(I)
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XP(F)::QAR1(I),XQ(g)
- Q(g);N_GUARD::QAB(I),XP(h)
- S(i);N_GUARD::QAB(I),XS(i)
- Refutation
- Q(g);
- Try
- Q(I);CHECK,P_SPINS(H),XP(h)
- Refutation
- Q(g);XQ(I)
- Try
- Actual
- K(E);S_FLIGHT
- Threat
- S(A)
- Vars
- S(i);CHECK,N_GUARD::QAB(I),XS(i)
- Q(g);OGATE,P_SPINQ(g),XP(F)::QAR(I)
- Q(g);N_GUARD,P_SPINQ(g),XS(H)::QAB(I),XP(h)
- R(a);N_GUARD,XS(A)::QAB1(I),XP(d)
- B(b);N_GUARD,XS(A)::P(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).