MESON Chess Problem Database
Problem Display
PID: 85048 (7Q/B2r4/p1R1n2b/K1p1n2r/1pNkB3/4pP2/5P2/2RN4 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Shakhmaty (Baku), 1991
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qxe5#
- 1...Rh2
- 2.Qxe5#
- 1...Rh3
- 2.Qxe5#
- 1...Rh4
- 2.Qxe5#
- 1...Rg5
- 2.fxe3#
- 1...Rd6
- 2.Rxd6#
- 1...Rxa7
- 2.Rd6#
- 1...Rb7
- 2.Rd6#
- 1...Rc7
- 2.Rd6#
- 1...Re7
- 2.Rd6#
- 1...Rf7
- 2.Rd6#
- 1...Rg7
- 2.Rd6#
- 1...Rh7
- 2.Rd6#
- 1...Bg5
- 2.Qxe5#
- 1...Bg7
- 2.fxe3#
- 1...Bf8
- 2.fxe3#
- 1...Sf4
- 2.Bxc5#
- 2.fxe3#
- 1...Sg5
- 2.Bxc5#
- 2.Qxe5#
- 2.fxe3#
- 1...Sc7
- 2.Bxc5#
- 1...Sg7
- 2.Bxc5#
- 1...Sd8
- 2.Bxc5#
- 1...Sf8
- 2.Bxc5#
- 1...Rh1
- Tries
- 1.Sd2?
- threat
- 2.Sb3#
- 2.Rc4#
- 1...Rg7
- 2.Sb3#
- 2.Rd6#
- 1...Bg7
- 2.Sb3#
- 2.fxe3#
- 1...Sg7
- 2.Sb3#
- 2.Bxc5#
- 1...b3
- 2.Sxb3#
- 2.Rc4#
- 1...exd2!
- threat
- 1.Sa3?
- threat
- 2.Rc4#
- 1...Rg7
- 2.Rd6#
- 1...Bg7
- 2.fxe3#
- 1...Sg7
- 2.Bxc5#
- 1...bxa3!
- threat
- 1.Scxe3?
- threat
- 2.Rc4#
- 1...Bxe3
- 2.fxe3#
- 1...Rg7
- 2.Rd6#
- 1...Sg7
- 2.Bxc5#
- 1...Bg7!
- threat
- 1.Sb6?
- threat
- 2.Rc4#
- 1...Rg7
- 2.Rd6#
- 1...Bg7
- 2.fxe3#
- 1...c4
- 2.R1xc4#
- 2.R6xc4#
- 1...Sg7!
- threat
- 1.Sd6?
- threat
- 2.Rc4#
- 1...Rxd6
- 2.Rxd6#
- 1...Bg7
- 2.fxe3#
- 1...Sg7
- 2.Bxc5#
- 1...Rg7!
- threat
- 1.Rxc5?
- threat
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Sxc5!
- threat
- 1.Sd2?
- Keys
- 1.Scb2!
- threat
- 2.Rc4#
- 1...Rg7
- 2.Rd6#
- 1...Bg7
- 2.fxe3#
- 1...Sg7
- 2.Bxc5#
- threat
- 1.Scb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 17
- Sets
- R(f);N_GUARD::QAB1(J),XS(e)
- R(f);S_CUTB(i)::P(C),XP(a)
- R(j);N_GUARD::R(H),XR(j)
- R(j);N_GUARD,N_SPINP(d),XB(I)::R(H)
- R(j);N_GUARD::R(H)
- R(j);N_GUARD,N_SPINS(e)::R(H)
- B(i);S_CUTR(f)::QAB1(J),XS(e)
- B(i);N_GUARD,N_SPINS(e)::P(C),XP(a)
- B(i);N_GUARD::P(C),XP(a)
- S(h);N_GUARD::B(I),XP(d)
- S(h);N_GUARD,N_SPINS(e)::B(I),XP(d)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Refutation
- P(a);XS(E)
- Try
- S(E);
- Threat
- R1(A)
- Vars
- R(j);N_GUARD,N_SPINS(e)::R(H)
- B(i);N_GUARD,N_SPINS(e)::P(C),XP(a)
- S(h);N_GUARD,N_SPINS(e)::B(I),XP(d)
- Refutation
- P(b);XS(E)
- Try
- S(E);XP(a)
- Threat
- R1(A)
- Vars
- B(i);OGATE,XS(E)::P(C),XB(i)
- R(j);N_GUARD,N_SPINS(e)::R(H)
- S(h);N_GUARD,N_SPINS(e)::B(I),XP(d)
- Refutation
- B(i);N_SPINS(e)
- Try
- S(E);N_PINP(d)
- Threat
- R1(A)
- Vars
- R(j);N_GUARD,N_SPINS(e)::R(H)
- B(i);N_GUARD,N_SPINS(e)::P(C),XP(a)
- Refutation
- S(h);N_SPINS(e)
- Try
- S(E);
- Threat
- R1(A)
- Vars
- R(j);OGATE,XS(E)::R(H),XR(j)
- B(i);N_GUARD,N_SPINS(e)::P(C),XP(a)
- S(h);N_GUARD,N_SPINS(e)::B(I),XP(d)
- Refutation
- R(j);N_SPINS(e)
- Try
- R(H);XP(d)
- Threat
- B(I)+R(H),DCHECK
- Vars
- R(j);P_PINR(H)::B(I)+R(H),DCHECK,XR(j)
- Refutation
- S(h);N_SPINS(e),P_SPINS(h),XR(H)
- Try
- Actual
- S(E);
- Threat
- R1(A)
- Vars
- R(j);N_GUARD,N_SPINS(e)::R(H)
- B(i);N_GUARD,N_SPINS(e)::P(C),XP(a)
- S(h);N_GUARD,N_SPINS(e)::B(I),XP(d)
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