MESON Chess Problem Database
Problem Display
PID: 64581 (4r3/bNQ2p2/R3b1P1/r4kpP/2P5/1N1P2K1/1n2R3/B7 w - - 0 1)
Dittrich, Stefan
4th Prize, Die Schwalbe 168. TT, 1982
#2
11 + 8
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Kf6
- 2.Qxf7#
- 1...Rxa1
- 2.Qe5#
- 1...Ra2
- 2.Qe5#
- 1...Ra3
- 2.Qe5#
- 1...Ra4
- 2.Qe5#
- 1...Rc5
- 2.Rf2#
- 1...Re5
- 2.Qxe5#
- 1...Rxa6
- 2.Qe5#
- 1...Bc8
- 2.Qxf7#
- 1...Bf2+
- 2.Rxf2#
- 1...Bc5
- 2.Qe5#
- 1...Bb8
- 2.Rf2#
- 1...Sd1
- 2.Sd6#
- 1...Sxd3
- 2.Sd6#
- 1...Sa4
- 2.Sd6#
- 1...g4
- 2.Qf4#
- 1...f6
- 2.Sd6#
- 1...Kf6
- Tries
- 1.Sd4+?
- 1...Kf6
- 2.Qxf7#
- 1...Bxd4!
- 1...Kf6
- 1.S3c5?
- threat
- 2.Rf2#
- 2.Qe5#
- 1...Kf6
- 2.Qxf7#
- 1...Rxc5
- 2.Rf2#
- 1...Bxc4
- 2.Rf2#
- 1...Bxc5
- 2.Qe5#
- 1...Sxd3
- 2.Sd6#
- 1...Sxc4
- 2.Rf2#
- 1...g4
- 2.Qf4#
- 2.Qe5#
- 1...Bd7
- 2.Rf2#
- 1...Bc8
- 2.Rf2#
- 2.Qxf7#
- 1...Bb8
- 2.Rf2#
- 1...Sd1
- 2.Sd6#
- 2.Qe5#
- 1...f6
- 2.Sd6#
- 2.Rf2#
- 1...Bd5!
- threat
- 1.S7c5?
- threat
- 2.Rf2#
- 2.Qe5#
- 1...Kf6
- 2.Qxf7#
- 1...Rxc5
- 2.Rf2#
- 1...Bxc4
- 2.Sd4#
- 2.Rf2#
- 1...Bxc5
- 2.Qe5#
- 1...Sxc4
- 2.Rf2#
- 1...g4
- 2.Qf4#
- 2.Qe5#
- 1...Bd5
- 2.Sd4#
- 1...Bd7
- 2.Sd4#
- 2.Rf2#
- 1...Bc8
- 2.Sd4#
- 2.Rf2#
- 2.Qxf7#
- 1...Bb8
- 2.Rf2#
- 1...Sd1
- 2.Qe5#
- 1...f6
- 2.Sd4#
- 2.Rf2#
- 1...Sxd3!
- threat
- 1.Rxa5+?
- 1...Bd5
- 2.Qxf7#
- 1...Bc5
- 2.Rf2#
- 2.Qe5#
- 1...Kf6!
- 1...Bd5
- 1.Rb6?
- threat
- 2.Rf2#
- 1...Kf6
- 2.Qxf7#
- 1...Sxd3
- 2.Sd6#
- 1...g4
- 2.Qf4#
- 1...Bd5
- 2.Sd4#
- 1...Sd1
- 2.Sd6#
- 1...Bxb6!
- threat
- 1.Sd4+?
- Keys
- 1.c5!
- threat
- 2.Rf2#
- 2.Qe5#
- 1...Kf6
- 2.Qxf7#
- 1...Rxc5
- 2.Rf2#
- 1...Bxb3
- 2.Rf2#
- 1...Bxc5
- 2.Qe5#
- 1...Sxd3
- 2.Sd6#
- 1...g4
- 2.Qf4#
- 2.Qe5#
- 1...Bd5
- 2.Sd4#
- 1...Ra4
- 2.Qe5#
- 1...Bc4
- 2.Sd4#
- 2.Rf2#
- 1...Bd7
- 2.Sd4#
- 2.Rf2#
- 1...Bc8
- 2.Sd4#
- 2.Rf2#
- 2.Qxf7#
- 1...Bb8
- 2.Rf2#
- 1...Sd1
- 2.Sd6#
- 2.Qe5#
- 1...Sc4
- 2.Rf2#
- 1...f6
- 2.Sd4#
- 2.Sd6#
- 2.Rf2#
- threat
- 1.c5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- K(c);P-FLIGHT,P_SPINB(e),P_SPINS(a)::QAR1(K),XP(g)
- R(b);N_GUARD,XB(A)::QAR1(K)
- R(b);N_GUARD::QAR1(K)
- R(b);S_CUTB(f)::R(B)
- R(b);N_GUARD::QAR1(K),XR(b)
- R(b);N_GUARD,XR(H)::QAR1(K)
- B(e);N_GUARD::QAR2(K),XP(g)
- B(f);CHECK,N_GUARD::R(B),XB(f)
- B(f);S_CUTR(b)::QAR1(K)
- B(f);N_GUARD,P_PINQ(K)::R(B)
- S(a);::S(J)
- S(a);XP(D)::S(J)
- P(d);N_GUARD::QAR1(K)
- P(g);SBLOCK::S(J)
- Tries
- Try
- S(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINB(e)::QAR1(K),XP(g)
- Refutation
- B(f);XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT,P_SPINB(e),P_SPINS(a)::QAR1(K),XP(g)
- R(b);XS(C)::R(B)
- B(e);XP(F)::R(B)
- B(f);XS(C)::QAR1(K)
- S(a);XP(D)::S(J)
- S(a);XP(F)::R(B)
- B(e);::R(B)
- B(f);P_PINQ(K)::R(B)
- Refutation
- B(e);
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT,P_SPINB(e),P_SPINS(a)::QAR1(K),XP(g)
- R(b);XS(J)::R(B)
- B(f);XS(J)::QAR1(K)
- S(a);XP(F)::R(B)
- B(e);::S(C)
- B(f);P_PINQ(K)::R(B)
- S(a);::QAR1(K)
- Refutation
- S(a);XP(D)
- Try
- R(H);CHECK,XR(b)
- Vars
- B(e);P_SPINB(e)::QAR2(K),XP(g)
- Refutation
- K(c);P-FLIGHT,P_SPINS(a)
- Try
- R(H);
- Threat
- R(B)
- Vars
- K(c);P-FLIGHT,P_SPINB(e),P_SPINS(a)::QAR1(K),XP(g)
- S(a);XP(D)::S(J)
- P(d);N_GUARD::QAR1(K)
- B(e);::S(C)
- S(a);::S(J)
- Refutation
- B(f);XR(H)
- Try
- Actual
- P(F);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT,P_SPINB(e),P_SPINS(a)::QAR1(K),XP(g)
- R(b);XP(F)::R(B)
- B(e);XS(C)::R(B)
- B(f);XP(F)::QAR1(K)
- S(a);XP(D)::S(J)
- B(e);::S(C)
- R(b);::QAR1(K)
- B(f);P_PINQ(K)::R(B)
- S(a);::R(B)
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