MESON Chess Problem Database
Problem Display
PID: 232546 (3n3B/qb4r1/p7/4N1P1/nR2PNB1/r3kpP1/2Qp3R/4b2K w - - 0 1)
Groth, Reinhard
Freie Presse, 2010
#2
11 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qd3#
- 1...Ra2
- 2.Qd3#
- 1...Rd3
- 2.Qxd3#
- 1...Rxg5
- 2.Sc4#
- 1...Rg6
- 2.Sc4#
- 1...Rd7
- 2.Sc4#
- 1...Re7
- 2.Sc4#
- 1...Rf7
- 2.Sc4#
- 1...Rh7
- 2.Sc4#
- 1...Rg8
- 2.Sc4#
- 1...Bxg3
- 2.Qxd2#
- 1...Bxe4
- 2.Rxe4#
- 2.Qxe4#
- 1...Bd5
- 2.Sxd5#
- 1...Bc8
- 2.Sd5#
- 1...Sc3
- 2.Qd3#
- 1...Sb6
- 2.Qc5#
- 1...Sc6
- 2.Sd5#
- 1...f2
- 2.Sg2#
- 1...Ra1
- Tries
- 1.Sxf3?
- threat
- 2.Re2#
- 1...Bxg3
- 2.Qxd2#
- 1...d1Q
- 2.Sg2#
- 1...d1B
- 2.Sg2#
- 1...Bf2
- 2.Qxd2#
- 1...Sc3
- 2.Qd3#
- 1...Rh7!
- threat
- 1.Bxf3?
- threat
- 2.Re2#
- 1...Bxg3
- 2.Qxd2#
- 1...d1Q
- 2.Sg2#
- 1...d1B
- 2.Sg2#
- 1...Bf2
- 2.Sg2#
- 1...Sc3
- 2.Qd3#
- 1...Rh7!
- threat
- 1.Bh3?
- threat
- 2.Sg4#
- 1...Rxg5
- 2.Sc4#
- 1...Bxg3
- 2.Qxd2#
- 1...Bc8
- 2.Sd5#
- 1...f2!
- threat
- 1.Bf5?
- threat
- 2.Sg4#
- 1...Rxg5
- 2.Sc4#
- 1...Bxg3
- 2.Qxd2#
- 1...f2!
- threat
- 1.Be6?
- threat
- 2.Sg4#
- 1...Rxg5
- 2.Sc4#
- 1...Bxg3
- 2.Qxd2#
- 1...f2!
- threat
- 1.Bd7?
- threat
- 2.Sg4#
- 1...Rxg5
- 2.Sc4#
- 1...Bxg3
- 2.Qxd2#
- 1...f2!
- threat
- 1.Bc8?
- threat
- 2.Sg4#
- 1...Rxg5
- 2.Sc4#
- 1...Bxg3
- 2.Qxd2#
- 1...Bxc8
- 2.Sd5#
- 1...f2!
- threat
- 1.Rb3+?
- 1...Kd4
- 2.Sxf3#
- 1...Sc3
- 2.Qd3#
- 1...Rxb3!
- 1...Kd4
- 1.Qd1?
- threat
- 2.Qxf3#
- 1...f2
- 2.Sg2#
- 2.Qe2#
- 2.Qf3#
- 1...Bxe4!
- threat
- 1.Sxf3?
- Keys
- 1.Bh5!
- threat
- 2.Sg4#
- 1...Rxg5
- 2.Sc4#
- 1...Bxg3
- 2.Qxd2#
- 1...Bc8
- 2.Sd5#
- 1...f2
- 2.Sg2#
- threat
- 1.Bh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- R(c);N_GUARD::QAR1(B)
- R(c);N_GUARD::QAR1(B),XR(c)
- R(j);XP(J)::S(I)
- R(j);::S(I)
- R(j);P_PINR(C)::S(I)
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(f);S_CUTR(c)::QAR1(B)
- S(f);N_GUARD,S_CUTQ(h)::QAB(B)
- S(k);S_CUTB(i)::S(G)
- P(e);N_GUARD,P_PINP(F),SBLOCK::S(G)
- Tries
- Try
- S(I);XP(e)
- Threat
- R1(C)
- Vars
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- P(b);::S(G)
- B(a);N_GUARD::QAB1(B),XP(b)
- S(f);S_CUTR(c)::QAR1(B)
- Refutation
- R(j);P_PINR(C)
- Try
- B(H);XP(e)
- Threat
- R1(C)
- Vars
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- P(b);::S(G)
- B(a);SBLOCK::S(G)
- S(f);S_CUTR(c)::QAR1(B)
- Refutation
- R(j);P_PINR(C)
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(j);XP(J)::S(I)
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- B(i);N_GUARD::S(G)
- Refutation
- P(e);P_PINP(F)
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(j);XP(J)::S(I)
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- Refutation
- P(e);P_PINP(F)
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(j);XP(J)::S(I)
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- Refutation
- P(e);P_PINP(F)
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(j);XP(J)::S(I)
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- Refutation
- P(e);P_PINP(F)
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(j);XP(J)::S(I)
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- B(i);N_GUARD,XB(H)::S(G)
- Refutation
- P(e);P_PINP(F)
- Try
- R(E);CHECK
- Vars
- K(d);S_FLIGHT::S(I),XP(e)
- S(f);P_SPINS(f)::QAR1(B)
- Refutation
- R(c);XR(E)
- Try
- Q(B);
- Threat
- QAR1(B),XP(e)
- Refutation
- B(i);XP(F)
- Try
- Actual
- B(H);
- Threat
- S(I)
- Vars
- R(j);XP(J)::S(I)
- B(a);N_GUARD,XP(D)::QAB1(B),XP(b)
- B(i);N_GUARD::S(G)
- P(e);N_GUARD,P_PINP(F),SBLOCK::S(G)
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).