MESON Chess Problem Database
Problem Display
PID: 182418 (1B2Rqn1/4rbp1/3R4/Q1r1k1K1/2p1N3/b3PP2/8/1n6 w - - 0 1)
Groeneveld, Cornelis
Comm., Dnevnik, 1999
#2
8 + 10
| 5085 | The Macedonian Problemist | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Rc6#
- 1...Be6
- 2.Rd7#
- 1...Sd2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Bd5
- Tries
- 1.Sf2?
- threat
- 2.Sg4#
- 2.f4#
- 1...Bxe8
- 2.Sg4#
- 1...Bd5
- 2.Sg4#
- 2.Rc6#
- 1...Be6
- 2.Rd7#
- 1...Bg6
- 2.Sg4#
- 1...Sf6
- 2.f4#
- 1...Sh6
- 2.f4#
- 1...Bh5!
- threat
- 1.Sc3?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.f4#
- 1...Qxe8
- 2.f4#
- 1...Rxa5
- 2.f4#
- 1...Rxe8
- 2.f4#
- 1...Sxc3
- 2.Qxc3#
- 1...Rb5
- 2.f4#
- 1...Rd5
- 2.f4#
- 1...Re6
- 2.Rd5#
- 2.Rdxe6#
- 2.f4#
- 1...Bd5
- 2.Rc6#
- 1...Bh5
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Be6
- 2.Rd5#
- 2.Rd7#
- 1...Bg6
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rf6#
- 2.Rxg6#
- 1...Sf6
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rxf6#
- 2.f4#
- 1...Sh6
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 2.f4#
- 1...g6
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rf6#
- 2.Rxg6#
- 2.f4#
- 1...Bxe8!
- threat
- 1.Sxc5?
- threat
- 2.Sd3#
- 2.Sd7#
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd7#
- 2.Rdd8#
- 2.f4#
- 1...Qxe8
- 2.Sd3#
- 2.Sd7#
- 2.f4#
- 1...Rxe8
- 2.Sd3#
- 2.Sd7#
- 2.f4#
- 1...Bxe8
- 2.Sd3#
- 2.Sd7#
- 2.Rd7#
- 1...Bh5
- 2.Sd3#
- 2.Sd7#
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd7#
- 2.Rdd8#
- 1...Re6
- 2.Sd3#
- 2.Sd7#
- 2.f4#
- 1...Bd5
- 2.Sd7#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rd7#
- 2.Rdd8#
- 1...Be6
- 2.Sd3#
- 2.Sd7#
- 2.Rd7#
- 1...Bg6
- 2.Sd3#
- 2.Sd7#
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd7#
- 2.Rdd8#
- 1...Sd2
- 2.Sd3#
- 2.Sd7#
- 2.Rxd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd7#
- 2.Rdd8#
- 2.Qc3#
- 2.f4#
- 1...Bxc5!
- threat
- 1.Qd2?
- threat
- 2.Rc6#
- 2.Qh2#
- 2.Qd4#
- 1...Qxe8
- 2.Qh2#
- 2.Qd4#
- 1...Rxe8
- 2.Qh2#
- 2.Qd4#
- 1...Bxe8
- 2.Qd4#
- 1...Bh5
- 2.Rc6#
- 2.Qd4#
- 1...Ra5
- 2.Qh2#
- 2.Qd4#
- 1...Rb5
- 2.Qh2#
- 2.Qd4#
- 1...Rd5
- 2.Qh2#
- 1...Rc6
- 2.Qh2#
- 2.Qd4#
- 1...Rc7
- 2.Qh2#
- 2.Qd4#
- 1...Rc8
- 2.Qh2#
- 2.Qd4#
- 1...Re6
- 2.Rd5#
- 2.Rdxe6#
- 2.Qh2#
- 2.Qd4#
- 1...Bb2
- 2.Rc6#
- 2.Qh2#
- 1...Bd5
- 2.Rc6#
- 2.Qd4#
- 1...Be6
- 2.Rd5#
- 2.Qd4#
- 1...Bg6
- 2.Rc6#
- 2.Qd4#
- 1...Sxd2!
- threat
- 1.Qxc5+?
- 1...Bd5
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Qd4#
- 2.Qxd5#
- 1...Bxc5!
- 1...Bd5
- 1.Sf2?
- Keys
- 1.Sd2!
- threat
- 2.f4#
- 1...Bxe8
- 2.Sxc4#
- 1...Sxd2
- 2.Qc3#
- 1...Bd5
- 2.Rc6#
- 1...Bh5
- 2.Sxc4#
- 1...Be6
- 2.Rd7#
- 1...Bg6
- 2.Sxc4#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(g);N_SPINR(d),P_SPINR(f),SBLOCK::B(G)+R(F)
- B(g);SBLOCK::B(G)+R(F)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(g);XR(H)::S(C)
- B(g);SBLOCK::B(G)+R(F)
- B(g);::S(C)
- S(j);::P(B)
- Refutation
- B(g);
- Try
- S(C);
- Threat
- DUALS(7)
- Vars
- Q(i);XR(H)::P(B)
- R(d);N_SPINR(d),P_SPINR(f),XQ(D)::P(B)
- R(f);XR(H)::P(B)
- S(a);OGATE,XS(C)::QAB(D),XS(a)
- R(d);::P(B)
- B(g);N_SPINR(d),P_SPINR(f)::B(G)+R(F)
- Refutation
- B(g);XR(H)
- Try
- S(C);P_PINR(f),XR(d)
- Threat
- DUALS(9)
- Refutation
- B(b);P_SPINB(b),XS(C)
- Try
- Q(D);N_PINR(d),P_PINR(f)
- Threat
- DUALS(3)
- Vars
- B(g);N_SPINR(f),XR(H)::QAB1(D)
- R(d);::QAB(D)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);CHECK,P_PINR(f),XR(d)
- Refutation
- B(b);XQ(D)
- Try
- Actual
- S(C);
- Threat
- P(B)
- Vars
- B(g);N_GUARD,XR(H)::S(C),XP(c)
- S(a);N_GUARD,XS(C)::QAB(D)
- B(g);N_SPINR(d),P_SPINR(f),SBLOCK::B(G)+R(F)
- B(g);N_GUARD::S(C),XP(c)
- B(g);SBLOCK::B(G)+R(F)
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