MESON Chess Problem Database
Problem Display
PID: 46826 (1b1rR2n/3P4/1ppQ4/2q1N3/4k1P1/3pP1Kp/B3RPb1/3r1N2 w - - 0 1)
Ellerman, Arnoldo
1st Prize, Skakbladet, 1960
#2
11 + 11
| 3749 | FIDE Album (1959-1961) | 1966 |
| 5454 | Near Snap | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.Qd4#
- 2.Qxc6#
- 1...Qxe3+
- 2.Rxe3#
- 1...Qb4
- 2.Qxb4#
- 2.Qxc6#
- 1...Qd4
- 2.Qxd4#
- 1...Qc1
- 2.Qd4#
- 1...Qc2
- 2.Qd4#
- 1...Qa5
- 2.Qd4#
- 1...Qb5
- 2.Qd4#
- 1...Qxe5+
- 2.Rxe5#
- 1...Ra1
- 2.Sd2#
- 2.Qxd3#
- 1...Rb1
- 2.Sd2#
- 2.Qxd3#
- 1...Rc1
- 2.Sd2#
- 2.Qxd3#
- 1...Re1
- 2.Sd2#
- 2.Qxd3#
- 1...Rxf1
- 2.Qxd3#
- 1...Rd2
- 2.Sxd2#
- 1...Bxf1
- 2.f3#
- 1...Sg6
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...d2
- 2.Qd3#
- 1...Qa3
- Tries
- 1.Kh2?
- threat
- 2.Sg3#
- 1...Qxe3
- 2.Qb4#
- 1...Rxf1
- 2.Qxd3#
- 1...Bxf1
- 2.f3#
- 1...Qxe5+!
- threat
- 1.Sxd3+?
- 1...Qe5+
- 2.Rxe5#
- 1...Rxe8!
- 1...Qe5+
- 1.Sf3+?
- 1...Qe5+
- 2.Rxe5#
- 1...Rxe8!
- 1...Qe5+
- 1.Sc4+?
- 1...Qe5+
- 2.Rxe5#
- 1...Rxe8!
- 1...Qe5+
- 1.Sxc6+?
- 1...Qe5+
- 2.Rxe5#
- 1...Rxe8!
- 1...Qe5+
- 1.Sg6+?
- 1...Qe5+
- 2.Rxe5#
- 1...Rxe8!
- 1...Qe5+
- 1.Sf7+?
- 1...Qe5+
- 2.Rxe5#
- 1...Rxe8!
- 1...Qe5+
- 1.Qxc6+?
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Qxc6!
- 1...Qd5
- 1.Qh6?
- threat
- 2.Qf4#
- 1...Qxe3+
- 2.Qxe3#
- 1...Qf8
- 2.Qxc6#
- 1...Sg6
- 2.Qxg6#
- 1...Qc4!
- threat
- 1.Kh2?
- Keys
- 1.Kh4!
- threat
- 2.Sg3#
- 1...Sg6+
- 2.Qxg6#
- 1...Qxe3
- 2.Qb4#
- 1...Qxe5
- 2.Qxc6#
- 1...Rxf1
- 2.Qxd3#
- 1...Bxf1
- 2.f3#
- threat
- 1.Kh4!
This anticipates 109356(1992)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(E)::R1(C),XQ(f)
- Q(f);N_GUARD::QAR1(I),XQ(f)
- Q(f);N_GUARD::QAR1(I)
- Q(f);CHECK,OGATE,P_SPINQ(f),XS(H)::R1(K),XQ(f)
- R(a);N_GUARD,XS(A)::QAB1(I),XP(c)
- R(a);N_GUARD::S(A),XR(a)
- B(b);N_GUARD,XS(A)::P(D)
- S(k);N_GUARD::QAB(I),XS(k)
- S(k);N_GUARD::QAB(I)
- P(c);S_CUTR(a)::QAB1(I)
- Tries
- Try
- K(F);S_FLIGHT
- Threat
- S(A)
- Vars
- Q(f);OGATE,P_SPINQ(f),XP(E)::QAR(I)
- R(a);N_GUARD,XS(A)::QAB1(I),XP(c)
- B(b);N_GUARD,XS(A)::P(D)
- Refutation
- Q(f);CHECK,P_SPINQ(f),XS(H)
- Try
- S(H);CHECK,P_SPINQ(I),XP(c)
- Vars
- Q(f);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(f)::R1(K),XQ(f)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I)
- Vars
- Q(f);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(f)::R1(K),XQ(f)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I)
- Vars
- Q(f);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(f)::R1(K),XQ(f)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I),XP(h)
- Vars
- Q(f);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(f)::R1(K),XQ(f)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I)
- Vars
- Q(f);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(f)::R1(K),XQ(f)
- Refutation
- R(j);XR(K)
- Try
- S(H);CHECK,P_SPINQ(I)
- Vars
- Q(f);CHECK,N_GUARD,N_PINQ(I),P_SPINQ(f)::R1(K),XQ(f)
- Refutation
- R(j);XR(K)
- Try
- Q(I);CHECK,P_SPINS(H),XP(h)
- Refutation
- Q(f);XQ(I)
- Try
- Q(I);P_SPINS(H)
- Threat
- QAR1(I)
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(E)::QAR1(I),XQ(f)
- Q(f);N_GUARD::QAB(I),XP(h)
- S(k);N_GUARD::QAB(I),XS(k)
- Refutation
- Q(f);
- Try
- Actual
- K(F);S_FLIGHT
- Threat
- S(A)
- Vars
- S(k);CHECK,N_GUARD::QAB(I),XS(k)
- Q(f);OGATE,P_SPINQ(f),XP(E)::QAR(I)
- Q(f);N_GUARD,P_SPINQ(f),XS(H)::QAB(I),XP(h)
- R(a);N_GUARD,XS(A)::QAB1(I),XP(c)
- B(b);N_GUARD,XS(A)::P(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).