MESON Chess Problem Database
Problem Display
PID: 53187 (8/bbBN4/r5R1/1r4np/Rq4kP/1p2p1Pp/nP1PP3/K2N1Q1B w - - 0 1)
Best, Eike E
Sp. HM., Die Schwalbe, 2004
#2
13 + 12
| 23 | Die Schwalbe | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Sxe3#
- 1...Qe4
- 2.Qf3#
- 1...Qf4
- 2.Qxf4#
- 1...Rc5
- 2.Sxe3#
- 1...Rd5
- 2.Qf3#
- 1...Rbb6
- 2.Sxe3#
- 2.Rxg5#
- 1...Rxa4
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Rab6
- 2.Sxe3#
- 1...Rc6
- 2.Qf3#
- 1...Rf6
- 2.Sxf6#
- 1...Bd4
- 2.Qf4#
- 1...Bc5
- 2.Rxg5#
- 1...Bb6
- 2.Sf6#
- 1...Bb8
- 2.Sxe3#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Qf4#
- 1...Bd5
- 2.Rxg5#
- 1...Bc6
- 2.Sf6#
- 1...Bc8
- 2.Qf3#
- 1...Qd4
- Tries
- 1.Bf3+?
- 1...Bxf3
- 2.Qxf3#
- 1...Kf5!
- 1...Bxf3
- 1.Be4?
- threat
- 2.Qf3#
- 2.Qf4#
- 1...Qxe4
- 2.Qf3#
- 1...Rxg6
- 2.Qf4#
- 1...Bxe4
- 2.Qf4#
- 1...Qd6
- 2.Qf3#
- 1...Qf8
- 2.Bf5#
- 1...Rf5
- 2.Bxf5#
- 2.Qxf5#
- 1...Rf6
- 2.Sxf6#
- 1...h2!
- threat
- 1.Bd5?
- threat
- 2.Rxg5#
- 2.Qf3#
- 1...Rxd5
- 2.Qf3#
- 1...Bxd5
- 2.Rxg5#
- 1...Qf4
- 2.Rxg5#
- 2.Qxf4#
- 1...Rf6
- 2.Sxf6#
- 2.Rxg5#
- 1...h2
- 2.Rxg5#
- 1...Rxg6!
- threat
- 1.Bc6?
- threat
- 2.Sf6#
- 2.Qf3#
- 1...Rxc6
- 2.Qf3#
- 1...Bxc6
- 2.Sf6#
- 1...Qf4
- 2.Qxf4#
- 1...Re5
- 2.Qf3#
- 1...Bd4
- 2.Qf3#
- 2.Qf4#
- 1...h2
- 2.Sf6#
- 1...Rf5!
- threat
- 1.Rxb4+?
- 1...Rxb4
- 2.Rxg5#
- 1...Bd4
- 2.Sxe3#
- 2.Qf4#
- 1...Be4
- 2.Rxe4#
- 2.Qf3#
- 2.Qf4#
- 1...Sxb4+!
- 1...Rxb4
- 1.Rb6?
- threat
- 2.Sxe3#
- 2.Sf6#
- 1...Rbxb6
- 2.Sxe3#
- 1...Raxb6
- 2.Sxe3#
- 1...Bxb6
- 2.Sf6#
- 1...exd2
- 2.Se3#
- 2.Sf6#
- 1...Qf4
- 2.Qxf4#
- 1...Bf3
- 2.Sxe3#
- 1...Sf3
- 2.Sxe3#
- 1...Rf5
- 2.Sxe3#
- 1...Se4
- 2.Sxe3#
- 2.Qf3#
- 2.Qf4#
- 1...Sh7
- 2.Sxe3#
- 1...Re5!
- threat
- 1.d4?
- threat
- 2.Sxe3#
- 2.Qf4#
- 1...Qxd4
- 2.Sxe3#
- 1...Bxd4
- 2.Qf4#
- 1...Re5
- 2.Qf4#
- 1...Rd6
- 2.Qf4#
- 1...Bf3
- 2.Sxe3#
- 2.Qxf3#
- 1...Rf5
- 2.Sxe3#
- 1...Qe1
- 2.Qf4#
- 1...Qd2
- 2.Qf4#
- 1...Qc3
- 2.Qf4#
- 1...Qe7
- 2.Qf4#
- 1...Qf8
- 2.Sxe3#
- 1...Re6
- 2.Qf4#
- 1...Rf6
- 2.Sxe3#
- 2.Sxf6#
- 1...h2
- 2.Sxe3#
- 1...Qd6!
- threat
- 1.Bf3+?
- Keys
- 1.Sc5!
- threat
- 2.Sxe3#
- 2.Rxg5#
- 1...Rxc5
- 2.Sxe3#
- 1...Rxg6
- 2.Sxe3#
- 1...Bxc5
- 2.Rxg5#
- 1...exd2
- 2.Se3#
- 2.Rxg5#
- 1...Qf4
- 2.Rxg5#
- 2.Qxf4#
- 1...Rd6
- 2.Rxg5#
- 1...Re6
- 2.Rxg5#
- threat
- 1.Sc5!
This is after
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 17
- Sets
- Q(e);P_PINP(E),S_CUTB(k)::S(B),XP(c)
- Q(e);S_CUTB(l)::QAB1(C)
- Q(e);N_GUARD::QAR1(C),XQ(e)
- R(g);S_CUTB(k)::S(B),XP(c)
- R(g);S_CUTB(l)::QAB1(C)
- R(j);N_GUARD,N_SPINQ(e),XR(I)::S(M)
- R(j);N_GUARD::S(M)
- R(j);S_CUTB(k)::S(B),XP(c)
- R(j);S_CUTB(l)::QAB1(C)
- R(j);N_GUARD::S(M),XR(j)
- B(k);N_SPINQ(e),P_PINP(E),S_CUTQ(e)::QAR1(C)
- B(k);S_CUTR(g)::R1(K),XS(h)
- B(k);S_CUTR(j)::S(M)
- B(k);N_GUARD::S(B),XP(c)
- B(l);N_GUARD::QAB1(C),XB(l)
- B(l);N_SPINQ(e),S_CUTQ(e)::QAR1(C)
- B(l);S_CUTR(g)::R1(K),XS(h)
- B(l);S_CUTR(j)::S(M)
- B(l);N_GUARD::QAB1(C)
- Tries
- Try
- B(D);CHECK
- Vars
- B(l);OGATE,XB(D)::QAB1(C),XB(l)
- Refutation
- K(f);N_SPINQ(e),N_SPINS(h),S_FLIGHT
- Try
- B(D);N_PINQ(e)
- Threat
- DUALS(2)
- Vars
- Q(e);P_SPINQ(e),XB(D)::QAB1(C)
- R(j);N_SPINS(h),XR(K)::QAR1(C)
- B(l);XB(D)::QAR1(C)
- Q(e);::QAB1(C)
- Q(e);::R(I)+B(D),DCHECK
- R(j);N_GUARD::S(M),XR(j)
- Refutation
- P(d);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(g);XB(D)::QAB1(C)
- B(l);XB(D)::R1(K),XS(h)
- P(d);::R1(K),XS(h)
- Refutation
- R(j);N_SPINS(h),XR(K)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(j);XB(D)::QAB1(C)
- B(l);XB(D)::S(M)
- Q(e);N_GUARD::QAR1(C),XQ(e)
- R(g);::QAB1(C)
- P(d);::S(M)
- Refutation
- R(g);
- Try
- R(I);CHECK,XQ(e)
- Vars
- R(g);XR(I)::R1(K),XS(h)
- Refutation
- S(a);CHECK,XR(I)
- Try
- R(K);N_PINS(h)
- Threat
- DUALS(2)
- Vars
- R(g);XR(K)::S(B),XP(c)
- R(j);XR(K)::S(B),XP(c)
- B(k);XR(K)::S(M)
- Q(e);N_GUARD::QAR1(C),XQ(e)
- B(l);::S(B),XP(c)
- S(h);::S(B),XP(c)
- R(g);::S(B),XP(c)
- Refutation
- R(g);
- Try
- P(F);N_PINQ(e)
- Threat
- DUALS(2)
- Vars
- Q(e);P_PINP(E),P_SPINQ(e),XP(F)::S(B),XP(c)
- B(k);P_PINP(E),XP(F)::QAR1(C)
- R(g);::QAR1(C)
- R(j);::QAR1(C)
- R(g);::S(B),XP(c)
- Q(e);P_PINS(B)::QAR1(C)
- Q(e);::QAR1(C)
- Q(e);P_PINP(E)::QAR1(C)
- Q(e);::S(B),XP(c)
- P(d);::S(B),XP(c)
- Refutation
- Q(e);
- Try
- Actual
- S(M);
- Threat
- DUALS(2)
- Vars
- R(g);XS(M)::S(B),XP(c)
- R(j);N_SPINS(h),XR(K)::S(B),XP(c)
- B(k);XS(M)::R1(K),XS(h)
- R(j);::R1(K),XS(h)
Developed and maintained by Brian Stephenson.
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