MESON Chess Problem Database
Problem Display
PID: 230410 (b6B/3N3B/3R4/7r/r2Pn3/1P1k1p2/2N5/1nK1Q1b1 w - - 0 1)
Tungler, Arno
Deutsche Schachzeitung, 1977
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rxd4
- 2.Sb4#
- 1...Raa5
- 2.Sb4#
- 1...Ra6
- 2.Sb4#
- 1...Ra7
- 2.Sb4#
- 1...Rh1
- 2.Sc5#
- 2.Se5#
- 1...Rh2
- 2.Sc5#
- 2.Se5#
- 1...Rh3
- 2.Sc5#
- 2.Se5#
- 1...Rh4
- 2.Sc5#
- 2.Se5#
- 1...Rc5
- 2.Sxc5#
- 1...Rd5
- 2.Bxe4#
- 1...Re5
- 2.Sxe5#
- 1...Rh6
- 2.Sc5#
- 2.Se5#
- 1...Rxh7
- 2.Se5#
- 1...Bh2
- 2.Qe3#
- 1...Be3+
- 2.Qxe3#
- 1...Bxd4
- 2.Qe3#
- 1...Bd5
- 2.Sc5#
- 1...Sd2
- 2.Qxd2#
- 1...Sa3
- 2.Qd2#
- 1...Sc3
- 2.Qd2#
- 1...f2
- 2.Qe3#
- 1...Ra1
- Tries
- 1.Bf5?
- threat
- 2.Sc5#
- 2.Se5#
- 1...Be3+
- 2.Qxe3#
- 1...Sd2
- 2.Qxd2#
- 1...Rc4
- 2.Se5#
- 1...Ra5
- 2.Sb4#
- 1...Bh2
- 2.Sc5#
- 2.Qe3#
- 1...Rxf5!
- threat
- 1.Rd5?
- threat
- 2.Sc5#
- 2.Bxe4#
- 1...Be3+
- 2.Qxe3#
- 1...Rxd5
- 2.Bxe4#
- 1...Rxh7
- 2.Se5#
- 1...Bxd5
- 2.Sc5#
- 1...Sd2
- 2.Qxd2#
- 1...Rc4
- 2.Bxe4#
- 1...Ra5
- 2.Sb4#
- 2.Bxe4#
- 1...Rh4
- 2.Sc5#
- 2.Se5#
- 1...Re5
- 2.Sc5#
- 2.Sxe5#
- 1...Sc3
- 2.Sc5#
- 2.Qd2#
- 1...Rf5!
- threat
- 1.Rc6?
- threat
- 2.Bxe4#
- 2.Qf1#
- 2.Qxe4#
- 1...Be3+
- 2.Qxe3#
- 1...Rxd4
- 2.Qf1#
- 1...Rxh7
- 2.Se5#
- 2.Qf1#
- 1...Rc4
- 2.Bxe4#
- 1...Rh2
- 2.Sc5#
- 2.Se5#
- 2.Bxe4#
- 2.Qxe4#
- 1...Rh4
- 2.Sc5#
- 2.Se5#
- 2.Qf1#
- 1...Rc5
- 2.Sxc5#
- 2.Bxe4#
- 1...Re5
- 2.Sxe5#
- 2.Qf1#
- 1...Rf5
- 2.Qf1#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Rxc3#
- 2.Qd2#
- 1...Bxc6!
- threat
- 1.Qd1+?
- 1...Sd2
- 2.Qxd2#
- 1...Kc3!
- 1...Sd2
- 1.Qxe4+?
- 1...Kc3
- 2.Qd3#
- 1...Bxe4!
- 1...Kc3
- 1.Bf5?
- Keys
- 1.d5!
- threat
- 2.Qf1#
- 1...Be3+
- 2.Qxe3#
- 1...Rd4
- 2.Sc5#
- 1...Rh2
- 2.Se5#
- 1...Re5
- 2.Sxe5#
- 1...Bd4
- 2.Bxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- threat
- 1.d5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- R(e);N_GUARD::S(C)
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD,P_SPINR(e),XP(E)::S(C)
- R(g);N_GUARD,P_PINS(C)::S(G),XR(g)
- R(g);S_CUTB(h)::B(H),XS(f)
- R(g);N_GUARD::S(G),XR(g)
- R(g);N_GUARD,N_SPINS(f),XB(H)::S(G)
- B(b);N_GUARD::QAR1(B)
- B(b);CHECK,N_GUARD::QAR1(B),XB(b)
- B(b);N_GUARD,P_SPINB(b),XP(E)::QAR1(B)
- B(h);S_CUTR(g)::S(G)
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- P(d);S_CUTB(b)::QAR1(B)
- Tries
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::QAR1(B),XB(b)
- S(a);N_GUARD::QAR1(B),XS(a)
- R(e);P_PINS(C)::S(G)
- R(e);N_GUARD::S(C)
- Refutation
- R(g);N_SPINS(f),XB(H)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::QAR1(B),XB(b)
- R(g);XR(F)::B(H),XS(f)
- R(g);N_GUARD,N_SPINS(f),XB(H)::S(G)
- B(h);XR(F)::S(G)
- S(a);N_GUARD::QAR1(B),XS(a)
- R(e);P_PINS(C)::B(H),XS(f)
- Refutation
- R(g);N_SPINS(f)
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- B(b);CHECK,N_GUARD::QAR1(B),XB(b)
- R(e);XP(E)::QAB(B)
- R(e);P_PINS(C)::B(H),XS(f)
- R(g);N_SPINS(f)::QAB(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- B(h);XR(F)
- Try
- Q(B);CHECK
- Vars
- S(a);N_GUARD,N_SPINS(f),P_SPINS(a)::QAR1(B),XS(a)
- Refutation
- K(c);N_SPINS(f),P-FLIGHT
- Try
- Q(B);CHECK,XS(f)
- Vars
- K(c);P-FLIGHT::QAR1(B)
- Refutation
- B(h);P_SPINB(h),XQ(B)
- Try
- Actual
- P(E);
- Threat
- QAB(B)
- Vars
- B(b);CHECK,N_GUARD::QAR1(B),XB(b)
- R(e);S_CUTB(b)::S(G)
- R(g);N_GUARD::S(G)
- R(g);N_GUARD::S(G),XR(g)
- B(b);S_CUTR(e)::B(H),XS(f)
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(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).