MESON Chess Problem Database

Problem Display
PID: 193475 (8/8/8/8/p1K5/8/pk1N2Q1/2R5 w - - 0 1)

Bauerreiss, Heinrich

Source?, 1915

8/8/8/8/p1K5/8/pk1N2Q1/2R5

#2

4 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...a3
      • 2.Sb3#
  • Tries
    • 1.Sb1+?
      • 1...Ka1
        • 2.Sa3#
        • 2.Sc3#
        • 2.Qg7#
      • 1...Kxc1!
    • 1.Sf1+?
      • 1...Ka3
        • 2.Rc3#
      • 1...Kxc1!
    • 1.Sf3+?
      • 1...Ka3
        • 2.Rc3#
      • 1...Kxc1!
    • 1.Se4+?
      • 1...Ka3
        • 2.Rc3#
      • 1...Kxc1!
    • 1.Rc2+?
      • 1...Ka1
        • 2.Qf1#
        • 2.Qh1#
        • 2.Qg1#
        • 2.Qg7#
      • 1...Ka3
        • 2.Qf3#
        • 2.Qh3#
        • 2.Qg3#
      • 1...Kxc2!
    • 1.Qb7+?
      • 1...Ka3
        • 2.Rc3#
        • 2.Qb4#
      • 1...Kxc1!
    • 1.Qg7+?
      • 1...Ka3
        • 2.Qc3#
      • 1...Kxc1!
  • Keys
    • 1.Ra1!
      • 1...Kxa1
        • 2.Qg7#
      • 1...Kc2
        • 2.Sf1#
        • 2.Sb3#
        • 2.Sf3#
        • 2.Se4#
      • 1...Ka3
        • 2.Sb1#
      • 1...a3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAR(C)+S(B)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(b);S_FLIGHT,XR(A)
    • Try
      • S(B);CHECK
      • Vars
        • K(b);S_FLIGHT::R(A)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
    • Try
      • S(B);CHECK
      • Vars
        • K(b);S_FLIGHT::R(A)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
    • Try
      • S(B);CHECK
      • Vars
        • K(b);S_FLIGHT::R(A)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
    • Try
      • R(A);CHECK
      • Refutation
        • K(b);P-FLIGHT,XR(A)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);S_FLIGHT,XR(A)
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(C)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
  • Actual
    • R(A);
    • Vars
      • K(b);S_FLIGHT,XR(A)::QAB(C)
      • K(b);P_SPINP(a),S_FLIGHT::S(B)
      • P(c);SBLOCK::QAR(C)+S(B)
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