MESON Chess Problem Database
Problem Display
PID: 151309 (n7/3P3r/2B1p2r/K1NNp1Rn/p1kPpR1b/P1p2Pp1/P1b1P3/2Q3B1 w - - 0 1)
Navon, Emanuel
Comm., Die Schwalbe, 2013
#2
14 + 13
| 23 | Die Schwalbe | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qxc3#
- 1...Bd1
- 2.Qxc3#
- 1...Bb3
- 2.Qxc3#
- 1...Bd3
- 2.Qxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...exf3
- 2.Se3#
- 1...e3
- 2.Sxe3#
- 1...exf4
- 2.Bb5#
- 1...exd5
- 2.Bb5#
- 1...Bb1
- Tries
- 1.Sb3?
- threat
- 2.Se3#
- 1...Bxb3
- 2.Qxc3#
- 1...exd4
- 2.Bb5#
- 1...exf4
- 2.Bb5#
- 1...exd5
- 2.Bb5#
- 1...e3
- 2.Sxe3#
- 1...axb3!
- threat
- 1.Sxe4?
- threat
- 2.Sd6#
- 1...Bxe4
- 2.Qxc3#
- 1...exd4
- 2.Bb5#
- 1...exd5
- 2.Bb5#
- 1...Rxd7!
- threat
- 1.Sxe6?
- threat
- 2.Se3#
- 1...exd4
- 2.Bb5#
- 1...exf4
- 2.Bb5#
- 1...e3
- 2.Sxe3#
- 1...Rxe6!
- threat
- 1.Sb7?
- threat
- 2.Sd6#
- 1...exd4
- 2.Bb5#
- 1...exd5
- 2.Bb5#
- 1...Rxd7!
- threat
- 1.Rxe4?
- threat
- 2.Se3#
- 1...Bxe4
- 2.Qxc3#
- 1...exd5
- 2.Bb5#
- 1...Bxg5!
- threat
- 1.Rxe5?
- threat
- 2.Bb5#
- 1...Sc7
- 2.Sb6#
- 1...Bd8+!
- threat
- 1.Qb2?
- threat
- 2.Qxc3#
- 2.Qb4#
- 2.Qb5#
- 1...exd4
- 2.Qb4#
- 2.Qb5#
- 1...exd5
- 2.Bb5#
- 2.Qb4#
- 2.Qb5#
- 1...Sc7
- 2.Sb6#
- 2.Qxc3#
- 2.Qb4#
- 1...Bb3
- 2.Qxc3#
- 1...cxb2!
- threat
- 1.Qd2?
- threat
- 2.Se3#
- 2.Qxc3#
- 1...exd4
- 2.Qxd4#
- 1...exf4
- 2.Bb5#
- 2.Qxc3#
- 1...exd5
- 2.Bb5#
- 1...Bd3
- 2.Qxc3#
- 1...e3
- 2.Sxe3#
- 2.Qxc3#
- 1...cxd2!
- threat
- 1.Qe3?
- threat
- 2.Qxc3#
- 1...exd4
- 2.Qxd4#
- 1...exd5
- 2.Bb5#
- 1...Bd3!
- threat
- 1.Qa1?
- threat
- 2.Qxc3#
- 1...exd5
- 2.Bb5#
- 1...exd4!
- threat
- 1.Qd1?
- threat
- 2.Se3#
- 1...exd4
- 2.Qxd4#
- 1...exf4
- 2.Bb5#
- 1...exd5
- 2.Bb5#
- 1...Bd3
- 2.Qxa4#
- 1...e3
- 2.Sxe3#
- 1...Bxd1!
- threat
- 1.Qe1?
- threat
- 2.Qxc3#
- 1...exd5
- 2.Bb5#
- 1...exd4!
- threat
- 1.Qxc2?
- threat
- 2.Qxa4#
- 2.Qxc3#
- 1...exd5
- 2.Bb5#
- 2.Qxa4#
- 1...Sb6
- 2.Sxb6#
- 2.Qxc3#
- 1...exd4!
- threat
- 1.fxe4?
- threat
- 2.Bb5#
- 1...Bxe4
- 2.Qxc3#
- 1...Sc7
- 2.Sb6#
- 1...exd4!
- threat
- 1.Sb3?
- Keys
- 1.Sd3!
- threat
- 2.Sxe5#
- 1...Bxd3
- 2.Qxc3#
- 1...exd3
- 2.Se3#
- 1...exd4
- 2.Bb5#
- 1...exf4
- 2.Se5#
- 2.Bb5#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- B(a);OGATE,P_SPINP(b)::QAR1(A),XP(b)
- S(m);N_GUARD::S(K),XS(m)
- S(m);N_GUARD::S(K)
- P(f);XP(F)::S(K)
- P(f);::S(K),XP(f)
- P(h);XR(H)::B(M)
- P(j);SBLOCK,XS(K)::B(M)
- Tries
- Try
- S(J);
- Threat
- S(K)
- Vars
- B(a);OGATE,P_SPINP(b),XS(J)::QAR1(A),XP(b)
- P(h);XP(G)::B(M)
- P(h);XR(H)::B(M)
- P(j);SBLOCK,XS(K)::B(M)
- P(f);::S(K),XP(f)
- Refutation
- P(d);XS(J)
- Try
- S(J);XP(f)
- Threat
- S(J)
- Vars
- B(a);OGATE,P_SPINP(b),XS(J)::QAR1(A),XP(b)
- P(h);XP(G)::B(M)
- P(j);SBLOCK,XS(K)::B(M)
- Refutation
- R(l);XP(N)
- Try
- S(J);XP(j)
- Threat
- S(K)
- Vars
- P(h);XP(G)::B(M)
- P(h);XR(H)::B(M)
- P(f);::S(K),XP(f)
- Refutation
- R(k);XS(J)
- Try
- S(J);
- Threat
- S(J)
- Vars
- P(h);XP(G)::B(M)
- P(j);SBLOCK,XS(K)::B(M)
- Refutation
- R(l);XP(N)
- Try
- R(H);XP(f)
- Threat
- S(K)
- Vars
- B(a);OGATE,P_SPINP(b),XR(H)::QAR1(A),XP(b)
- P(j);SBLOCK,XS(K)::B(M)
- Refutation
- B(g);XR(L)
- Try
- R(L);XP(h)
- Threat
- B(M)
- Vars
- S(m);N_GUARD::S(K)
- Refutation
- B(g);CHECK
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(a);::QAR1(A),XP(b)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(h);OGATE,XP(G)::QAR1(A),XP(h)
- P(j);SBLOCK,XS(K)::B(M)
- B(a);::QAR1(A),XP(b)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A),XP(b)
- Vars
- P(h);OGATE,XP(G)::QAR1(A),XP(h)
- P(j);SBLOCK,XS(K)::B(M)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- QAR1(A),XP(b)
- Vars
- P(j);SBLOCK,XS(K)::B(M)
- Refutation
- P(h);XP(G)
- Try
- Q(A);
- Threat
- S(K)
- Vars
- P(h);OGATE,XP(G)::QAR1(A),XP(h)
- P(h);XR(H)::B(M)
- P(j);SBLOCK,XS(K)::B(M)
- B(a);OGATE::QAR2(A),XP(d)
- P(f);::S(K),XP(f)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A),XP(b)
- Vars
- P(j);SBLOCK,XS(K)::B(M)
- Refutation
- P(h);XP(G)
- Try
- Q(A);P_PINP(b),XB(a)
- Threat
- DUALS(2)
- Refutation
- P(h);XP(G)
- Try
- P(F);XP(f)
- Threat
- B(M)
- Vars
- B(a);OGATE,P_SPINP(b),XP(F)::QAR1(A),XP(b)
- S(m);N_GUARD::S(K)
- Refutation
- P(h);XP(G)
- Try
- Actual
- S(J);
- Threat
- S(J),XP(h)
- Vars
- B(a);OGATE,P_SPINP(b),XS(J)::QAR1(A),XP(b)
- P(f);XS(J)::S(K)
- P(h);XP(G)::B(M)
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