MESON Chess Problem Database
Problem Display
PID: 274332 (8/2QpKp1B/1p1P2b1/3kn2R/2R3N1/1Nb2r2/1prn4/8 w - - 0 1)
Schmoll, Werner
Troll, 2023
(First published on Wed Jun 7 2023)
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Se3#
- 1...Rf2
- 2.Se3#
- 1...Rd3
- 2.Sf6#
- 1...Re3
- 2.Sxe3#
- 2.Sf6#
- 1...Rg3
- 2.Sf6#
- 1...Rh3
- 2.Sf6#
- 1...Rf4
- 2.Se3#
- 1...Rf5
- 2.Se3#
- 1...Rf6
- 2.Se3#
- 2.Sxf6#
- 1...Bb4
- 2.Rd4#
- 2.Rxe5#
- 1...Bd4
- 2.Rxd4#
- 1...Ba5
- 2.Rd4#
- 2.Rxe5#
- 1...Bf5
- 2.Sf6#
- 1...Sxc4
- 2.Qb7#
- 1...b5
- 2.Qc5#
- 1...f5
- 2.Sf6#
- 1...Rf1
- Tries
- 1.Sxd2?
- threat
- 2.Qb7#
- 1...Bxd2
- 2.Rxe5#
- 1...Bxh5
- 2.Be4#
- 1...Rf5
- 2.Se3#
- 1...Bf5
- 2.Sf6#
- 1...f5
- 2.Sf6#
- 1...Rxd2!
- threat
- 1.Sa5?
- threat
- 2.Qb7#
- 1...Bxa5
- 2.Rxe5#
- 1...Sxc4
- 2.Qxc4#
- 1...bxa5
- 2.Qc5#
- 1...Rf5
- 2.Se3#
- 1...Bf5
- 2.Sf6#
- 1...f5
- 2.Sf6#
- 1...Bxh5!
- threat
- 1.Ra4?
- threat
- 2.Qb7#
- 1...Sxb3
- 2.Qc4#
- 1...Bb4
- 2.Rxe5#
- 1...Bd4
- 2.Rxd4#
- 1...Rf5
- 2.Se3#
- 1...Ba5
- 2.Rd4#
- 2.Rxe5#
- 1...Bf5
- 2.Sf6#
- 1...f5
- 2.Sf6#
- 1...Bxh5!
- threat
- 1.Rf5?
- threat
- 2.Sf6#
- 1...Rxf5
- 2.Se3#
- 1...f6
- 2.Sxf6#
- 1...Se4!
- threat
- 1.Qxd7?
- threat
- 2.Qb5#
- 2.Qc6#
- 1...Bxh5
- 2.Qb5#
- 1...Sxb3
- 2.Qc6#
- 1...Sxc4
- 2.Qb7#
- 1...Bd4
- 2.Rxd4#
- 2.Qc6#
- 1...Se4
- 2.Qc6#
- 1...Rf5
- 2.Se3#
- 2.Qb5#
- 1...Bb4
- 2.Rd4#
- 2.Qc6#
- 1...Bf5
- 2.Qb5#
- 1...b5
- 2.Qxb5#
- 2.Qc6#
- 1...f5
- 2.Qb5#
- 2.Qe6#
- 1...Kxc4!
- threat
- 1.Sxd2?
- Keys
- 1.Rb4!
- threat
- 2.Qb7#
- 1...Bxb4
- 2.Rxe5#
- 1...Bxh5
- 2.Rb5#
- 1...Sxb3
- 2.Qc4#
- 1...Bd4
- 2.Rxd4#
- 1...Rf5
- 2.Se3#
- 1...Bf5
- 2.Sf6#
- 1...f5
- 2.Sf6#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(e);N_GUARD::S(C)
- R(e);N_GUARD,N_SPINS(g)::S(C)
- B(d);N_GUARD::R1(B),XB(d)
- B(i);N_SPINS(g),S_CUTR(e)::S(C)
- S(c);SBLOCK,XR(B)::QAB(F)
- P(h);N_GUARD::QAR1(F)
- P(k);N_SPINS(g),S_CUTR(e)::S(C)
- Tries
- Try
- S(A);XS(c)
- Threat
- QAB(F)
- Vars
- B(d);N_GUARD,XS(A)::R1(D),XS(g)
- B(i);N_SPINS(g),OGATE,XR(D)::B(H)
- R(e);N_GUARD,N_SPINS(g)::S(C)
- B(i);N_SPINS(g),S_CUTR(e)::S(C)
- P(k);N_SPINS(g),S_CUTR(e)::S(C)
- Refutation
- R(b);XS(A)
- Try
- S(A);
- Threat
- QAB(F)
- Vars
- B(d);N_GUARD,XS(A)::R1(D),XS(g)
- S(c);OGATE,XR(B)::QAB1(F),XS(c)
- P(h);N_GUARD,XS(A)::QAR1(F)
- R(e);N_GUARD,N_SPINS(g)::S(C)
- B(i);N_SPINS(g),S_CUTR(e)::S(C)
- P(k);N_SPINS(g),S_CUTR(e)::S(C)
- Refutation
- B(i);N_SPINS(g),XR(D)
- Try
- R(B);
- Threat
- QAB(F)
- Vars
- S(c);N_GUARD,XS(A)::QAB1(F)
- B(d);N_GUARD,P_PINP(E)::R1(D),XS(g)
- B(d);N_GUARD::R1(B),XB(d)
- R(e);N_GUARD,N_SPINS(g)::S(C)
- B(i);N_SPINS(g),S_CUTR(e)::S(C)
- P(k);N_SPINS(g),S_CUTR(e)::S(C)
- Refutation
- B(i);N_SPINS(g),XR(D)
- Try
- R(D);
- Threat
- S(C)
- Vars
- R(e);N_GUARD,N_SPINS(g),XR(D)::S(C)
- P(k);::S(C),XP(k)
- Refutation
- S(c);
- Try
- Q(F);XP(j)
- Threat
- DUALS(2)
- Vars
- B(i);N_SPINS(g),XR(D)::QAR2(F)
- S(c);XS(A)::QAB1(F)
- S(c);SBLOCK,XR(B)::QAB(F)
- S(c);::QAB1(F)
- B(i);N_SPINS(g)::QAR2(F)
- Refutation
- K(f);N_SPINS(g),S_FLIGHT,XR(B)
- Try
- Actual
- R(B);
- Threat
- QAB(F)
- Vars
- B(d);N_GUARD,P_PINP(E),XR(B)::R1(D),XS(g)
- B(i);N_SPINS(g),XR(D)::R(B)
- S(c);N_GUARD,XS(A)::QAB1(F)
- B(d);N_GUARD::R1(B),XB(d)
- R(e);N_GUARD,N_SPINS(g)::S(C)
- B(i);N_SPINS(g),S_CUTR(e)::S(C)
- P(k);N_SPINS(g),S_CUTR(e)::S(C)
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