MESON Chess Problem Database
Problem Display
PID: 3096 (7n/1p6/1P2pp1B/K1N3rp/P3Pk1N/2Q3RP/6pn/6r1 w - - 0 1)
Gevers, Raymond
Source?, 1918
#2
10 + 10
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Re1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Sf1
- 2.Rf3#
- 1...Sf3
- 2.Rxf3#
- 1...Sg4
- 2.Rf3#
- 1...Sg6
- 2.Sxg6#
- 1...Sf7
- 2.Sg6#
- 1...e5
- 2.Qe3#
- 1...f5
- 2.Bxg5#
- 1...Ra1
- Tries
- 1.Kb4?
- 1...Sf3
- 2.Rxf3#
- 1...Ra1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Re1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Sf1
- 2.Rf3#
- 1...Sg4
- 2.Rf3#
- 1...Sg6
- 2.Sxg6#
- 1...Sf7
- 2.Sg6#
- 1...e5
- 2.Qe3#
- 1...f5
- 2.Bxg5#
- 1...Rb1+!
- 1...Sf3
- 1.Kb5?
- 1...Sf3
- 2.Rxf3#
- 1...Ra1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Re1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Sf1
- 2.Rf3#
- 1...Sg4
- 2.Rf3#
- 1...Sg6
- 2.Sxg6#
- 1...Sf7
- 2.Sg6#
- 1...e5
- 2.Qe3#
- 1...f5
- 2.Bxg5#
- 1...Rb1+!
- 1...Sf3
- 1.Rxg2?
- threat
- 2.Qg3#
- 1...Rxg2
- 2.Sxg2#
- 1...Sf1
- 2.Rf2#
- 1...Sf3!
- threat
- 1.Rd3?
- threat
- 2.Qxf6#
- 1...Sf3
- 2.Rxf3#
- 1...Sg4
- 2.Rf3#
- 1...e5
- 2.Qd2#
- 1...f5!
- threat
- 1.Rxg5?
- threat
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rxh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qd2#
- 2.Qg3#
- 1...Rd1
- 2.Sxg2#
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rxh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qg3#
- 1...Re1
- 2.Sxg2#
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rxh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qg3#
- 1...Sf1
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rxh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qf3#
- 1...Sf3
- 2.Rg4#
- 2.Qxf3#
- 1...Sg4
- 2.Rxg4#
- 2.Rf5#
- 2.Qf3#
- 1...Sg6
- 2.Sxg6#
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rxh5#
- 2.Rxg6#
- 2.Qd2#
- 2.Qg3#
- 1...Sf7
- 2.Sg6#
- 2.Rg4#
- 2.Rf5#
- 2.Qd2#
- 2.Qg3#
- 1...e5
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rxe5#
- 2.Rf5#
- 2.Rxh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qd2#
- 2.Qg3#
- 1...f5
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rxf5#
- 2.Rxh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qg3#
- 1...fxg5!
- threat
- 1.e5?
- threat
- 2.Qe3#
- 1...Sf3
- 2.Rxf3#
- 1...Sf1
- 2.Rf3#
- 1...Sg4
- 2.Rf3#
- 1...Re1!
- threat
- 1.Kb4?
- Keys
- 1.Re3!
- 1...Sf3
- 2.Rxf3#
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Re1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Sf1
- 2.Rf3#
- 1...Sg4
- 2.Rf3#
- 1...Sg6
- 2.Sxg6#
- 1...Sf7
- 2.Sg6#
- 1...e5
- 2.Se6#
- 1...f5
- 2.Sxe6#
- 1...Sf3
- 1.Re3!
There are these versions: 100963
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD,P_PINP(D)::S(F),XP(b)
- R(a);N_GUARD::S(F),XP(b)
- S(c);N_GUARD::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- S(j);N_GUARD::S(F),XS(j)
- S(j);N_GUARD::S(F)
- P(g);N_PINS(H),SBLOCK::QAB1(A)
- P(h);N_GUARD,N_PINS(H)::B(J),XR(e)
- Tries
- Try
- K(G);N_SPINS(H),S_FLIGHT
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- R(a);N_GUARD::S(F),XP(b)
- S(c);N_GUARD::R1(B)
- S(j);N_GUARD::S(F),XS(j)
- S(j);N_GUARD::S(F)
- P(g);SBLOCK::QAB1(A)
- P(h);N_GUARD::B(J),XR(e)
- Refutation
- R(a);CHECK
- Try
- K(G);P-FLIGHT
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- R(a);N_GUARD::S(F),XP(b)
- S(c);N_GUARD::R1(B)
- S(j);N_GUARD::S(F),XS(j)
- S(j);N_GUARD::S(F)
- P(g);N_PINS(H),SBLOCK::QAB1(A)
- P(h);N_GUARD,N_PINS(H)::B(J),XR(e)
- Refutation
- R(a);CHECK
- Try
- R(B);XP(b)
- Threat
- QAB1(A)
- Vars
- R(a);XR(B)::S(F),XR(a)
- S(c);N_GUARD::R(B)
- Refutation
- S(c);
- Try
- R(B);
- Threat
- QAR2(A),XP(h)
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- S(c);N_GUARD::R1(B)
- P(g);N_PINS(H),SBLOCK::QAB(A)
- Refutation
- P(h);N_PINS(H)
- Try
- R(B);N_SPINS(H),XR(e)
- Threat
- DUALS(12)
- Refutation
- P(h);P_SPINP(h),XR(B)
- Try
- P(E);N_SPINS(H)
- Threat
- QAB1(A)
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- S(c);N_GUARD::R1(B)
- Refutation
- R(a);
- Try
- Actual
- R(B);
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- R(a);N_GUARD,P_PINP(D)::S(F),XP(b)
- R(a);N_GUARD::S(F),XP(b)
- S(c);N_GUARD::R1(B)
- S(j);N_GUARD::S(F),XS(j)
- S(j);N_GUARD::S(F)
- P(g);N_PINS(H)::S(H)
- P(h);N_PINS(H)::S(H),XP(g)
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