MESON Chess Problem Database
Problem Display
PID: 263162 (3Q3b/2p1K2B/5p1B/r1rNkN2/3pbRP1/4pp2/5p2/4R1q1 w - - 0 1)
Volchek, Viktor Fedorovich
SuperProblem, 2021
#2
9 + 12
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...c6
- 2.Qd6#
- 1...c6
- Tries
- 1.Sc3?
- threat
- 2.Rxe4#
- 2.Qxd4#
- 1...Qxg4
- 2.Qxd4#
- 1...Rxc3
- 2.Qxd4#
- 1...Bxf5
- 2.Rxf5#
- 2.Qxd4#
- 1...dxc3
- 2.Qd4#
- 1...Ra4
- 2.Rxe4#
- 1...Rc4
- 2.Rxe4#
- 1...Rd5
- 2.Rxe4#
- 1...Bb1
- 2.Qxd4#
- 1...Bc2
- 2.Qxd4#
- 1...Bd3
- 2.Qxd4#
- 1...Bc6
- 2.Qxc7#
- 2.Qxd4#
- 1...Bb7
- 2.Qxd4#
- 1...Ba8
- 2.Qxd4#
- 1...d3
- 2.Rxe4#
- 2.Qd4#
- 1...Bd5!
- threat
- 1.Sdxe3?
- threat
- 2.Qxd4#
- 1...dxe3
- 2.Qd4#
- 1...Rc4
- 2.Sxc4#
- 1...Rd5
- 2.Sc4#
- 1...Bd5
- 2.Sc4#
- 1...d3
- 2.Qd4#
- 1...Ra4!
- threat
- 1.Sb4?
- threat
- 2.Qxd4#
- 1...Rd5
- 2.Sc6#
- 1...Bd5
- 2.Sd3#
- 1...d3
- 2.Qd4#
- 1...Rc4!
- threat
- 1.Sb6?
- threat
- 2.Qxd4#
- 1...Rc4
- 2.Sxc4#
- 1...Rd5
- 2.Sc4#
- 1...Bd5
- 2.Sd7#
- 1...d3
- 2.Qd4#
- 1...Ra4!
- threat
- 1.Sxf6?
- threat
- 2.Rxe4#
- 2.Qxd4#
- 1...Qxg4
- 2.Sxg4#
- 2.Qxd4#
- 1...Bxf5
- 2.Rxf5#
- 2.Qxd4#
- 1...Ra4
- 2.Rxe4#
- 1...Rc4
- 2.Rxe4#
- 1...Rd5
- 2.Rxe4#
- 1...Bb1
- 2.Qxd4#
- 1...Bc2
- 2.Qxd4#
- 1...Bd3
- 2.Qxd4#
- 1...Bd5
- 2.Sd7#
- 1...Bc6
- 2.Qxc7#
- 2.Qxd4#
- 1...Bb7
- 2.Qxd4#
- 1...Ba8
- 2.Qxd4#
- 1...d3
- 2.Rxe4#
- 2.Qd4#
- 1...Bxf6+!
- threat
- 1.Sh4?
- threat
- 2.Rxe4#
- 1...Bxd5
- 2.Sg6#
- 1...Bxh7
- 2.Sxf3#
- 1...Bb1
- 2.Sxf3#
- 1...Bc2
- 2.Sxf3#
- 1...Bd3
- 2.Sxf3#
- 1...Bf5
- 2.Sxf3#
- 1...Bg6
- 2.Sxf3#
- 2.Sxg6#
- 1...f5
- 2.Sg6#
- 1...Qxg4!
- threat
- 1.Qxc7+?
- 1...Kxd5
- 2.Bg8#
- 1...Rxc7+!
- 1...Kxd5
- 1.Sc3?
- Keys
- 1.Sfxe3!
- threat
- 2.Rxe4#
- 1...Qxg4
- 2.Sxg4#
- 1...Bxd5
- 2.Sc4#
- 1...Bxh7
- 2.Sc4#
- 1...Bb1
- 2.Sc4#
- 1...Bc2
- 2.Sc4#
- 1...Bd3
- 2.Sc4#
- 1...Bf5
- 2.Sc4#
- 1...Bg6
- 2.Sc4#
- 1...f5
- 2.Qxh8#
- threat
- 1.Sfxe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- P(k);N_GUARD::QAB1(I)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(C)::QAB1(I),XP(e)
- R(h);XS(D)::QAB1(I),XP(e)
- P(e);XS(D)::QAB1(I)
- R(g);::R1(B),XB(f)
- R(h);::R1(B),XB(f)
- B(f);P_SPINP(c)::QAB1(I),XP(e)
- Refutation
- B(f);P_SPINP(c)
- Try
- S(D);XP(c)
- Threat
- QAB1(I),XP(e)
- Vars
- P(e);XS(D)::QAB1(I)
- R(h);N_GUARD::S(D),XR(h)
- R(h);N_GUARD::S(D)
- B(f);::R(A)+S(D),DCHECK
- P(e);::QAB1(I)
- Refutation
- R(g);
- Try
- S(D);
- Threat
- QAB1(I),XP(e)
- Vars
- R(h);N_GUARD,S_CUTB(f)::S(D)
- B(f);N_GUARD,P_SPINP(c)::S(D)
- P(e);::QAB1(I)
- Refutation
- R(h);
- Try
- S(D);
- Threat
- QAB1(I),XP(e)
- Vars
- R(h);N_GUARD::S(D),XR(h)
- R(h);N_GUARD::S(D)
- B(f);P_SPINP(c),SBLOCK::S(D)
- P(e);::QAB1(I)
- Refutation
- R(g);
- Try
- S(D);XP(j)
- Threat
- DUALS(2)
- Vars
- R(g);::R1(B),XB(f)
- R(h);::R1(B),XB(f)
- B(f);P_SPINP(c)::QAB1(I),XP(e)
- B(f);P_SPINP(c),SBLOCK::S(D)
- Refutation
- B(l);CHECK,XS(D)
- Try
- S(E);
- Threat
- R1(B),XB(f)
- Vars
- B(f);N_GUARD,P_SPINP(c),XS(D)::S(E)
- B(f);N_GUARD,P_SPINP(c),XB(H)::S(E),XP(d)
- B(f);N_GUARD,P_SPINP(c)::S(E),XP(d)
- P(j);S_CUTB(f)::S(E)
- Refutation
- Q(a);XP(C)
- Try
- Q(I);CHECK,XP(k)
- Vars
- K(i);P-FLIGHT,S_CUTR(h),XS(D)::B(H)
- Refutation
- R(h);CHECK,XQ(I)
- Try
- Actual
- S(E);XP(c)
- Threat
- R1(B),XB(f)
- Vars
- Q(a);XP(C)::S(E),XQ(a)
- B(f);XS(D)::R(A)+S(E),DCHECK
- B(f);XB(H)::R(A)+S(E),DCHECK
- B(f);::R(A)+S(E),DCHECK
- P(j);OGATEB::QAB(I),XB(l)
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