MESON Chess Problem Database
Problem Display
PID: 168414 (8/1K6/1pR1Pp2/bN1k4/2NP1n1R/p1p2P2/1Pp1r1Q1/2q1rB2 w - - 0 1)
Petite, Efren
Zadachi i Etyudi, 2008
#2
11 + 11
| 6490 | yacpdb | 2018 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd2
- 2.Rd6#
- 1...Rf2
- 2.Rd6#
- 1...Rxg2
- 2.Rd6#
- 1...Re3
- 2.Rd6#
- 1...Re4
- 2.Rd6#
- 1...Re5
- 2.Rd6#
- 1...Bb4
- 2.Sxb6#
- 1...Sxg2
- 2.Sc7#
- 1...Sd3
- 2.Sc7#
- 1...Sh3
- 2.Sc7#
- 1...Sh5
- 2.Sc7#
- 1...Sg6
- 2.Sc7#
- 1...Rd2
- Tries
- 1.Scxa3?
- threat
- 2.Rd6#
- 1...Rxe6
- 2.Bc4#
- 1...Bb4!
- threat
- 1.Se3+?
- 1...Rxe3
- 2.Bc4#
- 2.Rd6#
- 1...Qxe3!
- 1...Rxe3
- 1.Sxa5?
- threat
- 2.Rd6#
- 1...Rxe6
- 2.Bc4#
- 1...bxa5!
- threat
- 1.Bxe2?
- threat
- 2.Rd6#
- 1...Sxe2
- 2.Sc7#
- 2.f4#
- 1...Bb4
- 2.Sxb6#
- 1...Sd3
- 2.Sc7#
- 2.f4#
- 1...Rxe2!
- threat
- 1.Rxf4?
- threat
- 2.Sc7#
- 1...Re4
- 2.Rd6#
- 1...Qxf4!
- threat
- 1.Rh7?
- threat
- 2.Rd7#
- 1...Bb4
- 2.Sxb6#
- 1...Rxe6!
- threat
- 1.Qxe2?
- threat
- 2.Rd6#
- 1...Sxe2
- 2.Sc7#
- 1...Bb4
- 2.Sxb6#
- 1...Sd3
- 2.Sc7#
- 1...Rxe2!
- threat
- 1.Qg5+?
- 1...Re5
- 2.Rd6#
- 1...f5
- 2.Qd8#
- 1...fxg5!
- 1...Re5
- 1.Qg7?
- threat
- 2.Qd7#
- 1...Bb4
- 2.Sxb6#
- 1...Rxe6!
- threat
- 1.bxc3?
- threat
- 2.Sc7#
- 1...Bxc3
- 2.Sxb6#
- 1...Sxe6!
- threat
- 1.b3?
- threat
- 2.Rd6#
- 1...Bb4
- 2.Sxb6#
- 1...Rxe6!
- threat
- 1.Scxa3?
- Keys
- 1.Qg8!
- threat
- 2.Qd8#
- 1...Rxe6
- 2.Rd6#
- 1...Sxe6
- 2.Sc7#
- 1...Bb4
- 2.Sxb6#
- threat
- 1.Qg8!
Anticipated by 168216(1998)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(d);::R1(I)
- R(d);XQ(C)::R1(I)
- B(h);N_GUARD::S(E),XP(j)
- S(g);XQ(C)::S(H)
- S(g);::S(H)
- Tries
- Try
- S(E);XP(e)
- Threat
- R1(I)
- Vars
- R(d);OGATE,XP(J)::B(A)
- Refutation
- B(h);
- Try
- S(E);CHECK
- Refutation
- Q(a);XS(E)
- Try
- S(E);XB(h)
- Threat
- R1(I)
- Vars
- R(d);OGATE,XP(J)::B(A)
- Refutation
- P(j);XS(E)
- Try
- B(A);XR(d)
- Threat
- R1(I)
- Vars
- B(h);N_GUARD::S(E),XP(j)
- Refutation
- R(b);XB(A)
- Try
- R(G);XS(g)
- Threat
- S(H)
- Vars
- R(d);::R1(I)
- Refutation
- Q(a);XR(G)
- Try
- R(G);
- Threat
- R(G)
- Vars
- B(h);N_GUARD::S(E),XP(j)
- Refutation
- R(d);XP(J)
- Try
- Q(C);XR(d)
- Threat
- R1(I)
- Vars
- S(g);XQ(C)::S(H)
- B(h);N_GUARD::S(E),XP(j)
- S(g);::S(H)
- Refutation
- R(b);XQ(C)
- Try
- Q(C);CHECK
- Vars
- R(d);P_SPINR(d)::R1(I)
- P(k);OGATE,P_SPINP(k)::QAR(C)
- Refutation
- P(k);XQ(C)
- Try
- Q(C);
- Threat
- QAR2(C)
- Vars
- B(h);N_GUARD::S(E),XP(j)
- Refutation
- R(d);XP(J)
- Try
- P(B);XP(f)
- Threat
- S(H)
- Vars
- B(h);N_GUARD,XP(B)::S(E),XP(j)
- Refutation
- S(g);XP(J)
- Try
- P(B);
- Threat
- R1(I)
- Vars
- B(h);N_GUARD::S(E),XP(j)
- Refutation
- R(d);XP(J)
- Try
- Actual
- Q(C);
- Threat
- QAR(C)
- Vars
- R(d);P_SPINR(d),XP(J)::R1(I)
- S(g);P_SPINS(g),XP(J)::S(H)
- B(h);N_GUARD::S(E),XP(j)
Developed and maintained by Brian Stephenson.
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