MESON Chess Problem Database
Problem Display
PID: 256953 (5K2/4R3/nppP1p1B/Q1b5/1P1kNp1r/2RPp3/BP2b3/8 w - - 0 1)
Witt, Andreas
StrateGems, 2021
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...f5
- 2.Bg7#
- 1...f5
- Tries
- 1.Sf2?
- threat
- 2.Re4#
- 1...Bxd3
- 2.Rxd3#
- 1...Bxd6
- 2.Rc4#
- 1...f3
- 2.Bxe3#
- 1...f5
- 2.Bg7#
- 1...Bf3!
- threat
- 1.Sg3?
- threat
- 2.Sxe2#
- 2.Sf5#
- 2.Re4#
- 1...Bxd6
- 2.Sxe2#
- 2.Sf5#
- 1...fxg3
- 2.Bxe3#
- 1...Rh2
- 2.Sf5#
- 2.Re4#
- 1...Rh5
- 2.Sxe2#
- 2.Re4#
- 1...Bd1
- 2.Sf5#
- 2.Re4#
- 1...Bf1
- 2.Sf5#
- 2.Re4#
- 1...Bf3
- 2.Sf5#
- 1...Bg4
- 2.Re4#
- 1...Bh5
- 2.Sf5#
- 2.Re4#
- 1...f3
- 2.Sf5#
- 2.Bxe3#
- 1...f5
- 2.Sxe2#
- 2.Sxf5#
- 2.Bg7#
- 1...Bxd3!
- threat
- 1.Sxc5?
- threat
- 2.Sb3#
- 2.Se6#
- 2.Re4#
- 1...Bxd3
- 2.Sb3#
- 2.Rxd3#
- 1...bxa5
- 2.Re4#
- 1...bxc5
- 2.Re4#
- 1...Bd1
- 2.Se6#
- 2.Re4#
- 1...Bf3
- 2.Sb3#
- 2.Se6#
- 1...Bg4
- 2.Sb3#
- 2.Re4#
- 1...Sc7
- 2.Sb3#
- 2.Re4#
- 1...f3
- 2.Sb3#
- 2.Se6#
- 2.Bxe3#
- 1...b5
- 2.Re4#
- 1...f5
- 2.Sb3#
- 2.Se6#
- 2.Bg7#
- 1...Sxc5!
- threat
- 1.Sg5?
- threat
- 2.Re4#
- 1...Bxd3
- 2.Sf3#
- 1...Bxd6
- 2.Se6#
- 1...Bf3
- 2.Sxf3#
- 1...f5
- 2.Bg7#
- 1...f3!
- threat
- 1.Rc4+?
- 1...Kxd3
- 2.Qa3#
- 1...Kd5!
- 1...Kxd3
- 1.Qb5?
- threat
- 2.Qc4#
- 1...Bxd3
- 2.Rxd3#
- 2.Qxd3#
- 1...cxb5!
- threat
- 1.Qxa6?
- threat
- 2.Qc4#
- 1...Bxd3
- 2.Rxd3#
- 2.Qxd3#
- 1...b5!
- threat
- 1.Sf2?
- Keys
- 1.Sd2!
- threat
- 2.Re4#
- 1...Bxd3
- 2.Sf3#
- 1...Bxd6
- 2.Sb3#
- 1...Bf3
- 2.Sxf3#
- 1...f3
- 2.Bxe3#
- 1...f5
- 2.Bg7#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- P(j);OGATEB::B(I)
- Tries
- Try
- S(F);
- Threat
- R1(J)
- Vars
- B(a);OGATE,XP(D)::R1(C),XB(a)
- B(f);P_PINR(J),XP(H)::R1(C)
- P(d);OGATE::B(I),XP(b)
- P(j);OGATEB::B(I)
- Refutation
- B(a);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- P(d);OGATE,XS(F)::B(I),XP(b)
- B(a);::S(F)
- B(a);::R1(J)
- Refutation
- B(a);XP(D)
- Try
- S(F);XB(f)
- Threat
- DUALS(3)
- Vars
- P(h);XQ(G)::R1(J)
- P(h);XS(F)::R1(J)
- P(h);::R1(J)
- Refutation
- S(g);XS(F)
- Try
- S(F);
- Threat
- R1(J)
- Vars
- B(a);N_GUARD,XP(D)::S(F)
- B(f);P_PINR(J),XP(H)::S(F)
- B(a);N_GUARD::S(F),XB(a)
- P(j);OGATEB::B(I)
- Refutation
- P(d);
- Try
- R(C);CHECK
- Vars
- K(c);N_GUARD,P-FLIGHT,XP(D)::QAR(G)
- Refutation
- K(c);P-FLIGHT,P_SPINB(f)
- Try
- Q(G);
- Threat
- QAR1(G)
- Refutation
- P(i);XQ(G)
- Try
- Q(G);XS(g)
- Threat
- QAR1(G)
- Refutation
- P(h);
- Try
- Actual
- S(F);
- Threat
- R1(J)
- Vars
- B(a);N_GUARD,XP(D)::S(F)
- B(f);P_PINR(J),XP(H)::S(F)
- B(a);N_GUARD::S(F),XB(a)
- P(d);OGATE::B(I),XP(b)
- P(j);OGATEB::B(I)
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