MESON Chess Problem Database

Problem Display
PID: 207719 (8/8/3B3p/2Q1R2P/3RK3/2p2P2/2P3kN/6Nb w - - 0 1)

Thomas, Georg

Deutsche Schachblatter, 1952

8/8/3B3p/2Q1R2P/3RK3/2p2P2/2P3kN/6Nb

#2

10 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg1
      • 2.Rd2#
    • 1...Kxh2
      • 2.Rg5#
  • Tries
    • 1.Kd3?
      • 1...Kf2
        • 2.Rg4#
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3
        • 2.Re2#
      • 1...Kxg1!
    • 1.Ke3?
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3
        • 2.Rg5#
      • 1...Kxg1!
    • 1.Kf4?
      • 1...Kxg1
        • 2.Rd2#
      • 1...Kf2
        • 2.Rd2#
      • 1...Kxh2!
    • 1.Kf5?
      • 1...Kxg1
        • 2.Rd2#
      • 1...Kf2
        • 2.Rg4#
      • 1...Kg3
        • 2.Re2#
      • 1...Kxh2!
    • 1.Rd1?
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3!
    • 1.Rd2+?
      • 1...Kg3
        • 2.Qf2#
      • 1...cxd2!
    • 1.Rd3?
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3!
    • 1.Ra4?
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3!
    • 1.Rb4?
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3!
    • 1.Rc4?
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3!
    • 1.Rdd5?
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3!
    • 1.Red5?
      • 1...Kxg1
        • 2.Rd2#
      • 1...Kf2!
    • 1.Rf5?
      • 1...Kxg1
        • 2.Rd2#
      • 1...Kf2!
    • 1.Rg5+?
      • 1...Kf2
        • 2.Rd1#
      • 1...hxg5!
    • 1.Re6?
      • 1...Kxg1
        • 2.Rd2#
      • 1...Kf2!
    • 1.Re7?
      • 1...Kxg1
        • 2.Rd2#
      • 1...Kf2!
    • 1.Re8?
      • 1...Kxg1
        • 2.Rd2#
      • 1...Kf2!
  • Keys
    • 1.Kd5!
      • 1...Kxg1
        • 2.Rd2#
      • 1...Kf2
        • 2.Rg4#
      • 1...Kxh2
        • 2.Rg5#
      • 1...Kg3
        • 2.Re2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_PINP(D),XS(A)::QAB(G)+R(E)
    • K(b);P-FLIGHT,P_PINP(D),XS(C)::B(J)+R(H)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAB(G)+R(E)
        • K(b);P-FLIGHT,XS(C)::B(J)+R(H)
        • K(b);P-FLIGHT::B(J)+R(H)
      • Refutation
        • K(b);P-FLIGHT,XS(A)
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT,XS(C)::B(J)+R(H)
        • K(b);P-FLIGHT::B(J)+R(H),DCHECK
      • Refutation
        • K(b);P-FLIGHT,XS(A)
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT,XS(A)::QAB(G)+R(E)
        • K(b);P-FLIGHT::QAB(G)+R(E),DCHECK
      • Refutation
        • K(b);P-FLIGHT,XS(C)
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT,XS(A)::QAB(G)+R(E)
        • K(b);P-FLIGHT::QAB(G)+R(E)
        • K(b);P-FLIGHT::B(J)+R(H)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
    • Try
      • R(E);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(C)::B(J)+R(H)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(E);CHECK
      • Vars
        • K(b);P-FLIGHT,P_PINP(D)::QAB1(G)
      • Refutation
        • P(c);XR(E)
    • Try
      • R(E);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(C)::B(J)+R(H)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(E);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(C)::B(J)+R(H)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(E);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(C)::B(J)+R(H)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(E);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(C)::B(J)+R(H)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(E);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(C)::B(J)+R(H)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(H);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(A)::QAB(G)+R(E)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(H);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(A)::QAB(G)+R(E)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(H);CHECK
      • Vars
        • K(b);P-FLIGHT,P_PINP(D)::QAB(G)+R(E)
      • Refutation
        • P(d);XR(H)
    • Try
      • R(H);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(A)::QAB(G)+R(E)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(H);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(A)::QAB(G)+R(E)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
    • Try
      • R(H);
      • Vars
        • K(b);P-FLIGHT,P_PINP(D),XS(A)::QAB(G)+R(E)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(D)
  • Actual
    • K(F);S_FLIGHT
    • Vars
      • K(b);P-FLIGHT,P_PINP(D),XS(A)::QAB(G)+R(E)
      • K(b);P-FLIGHT,P_PINP(D)::QAB(G)+R(E)
      • K(b);P-FLIGHT,P_PINP(D),XS(C)::B(J)+R(H)
      • K(b);P-FLIGHT,P_PINP(D)::B(J)+R(H)
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